1971621288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2663}}^1$

素因数の和:2808

約数の個数: 192

約数和(自身を含む): 6632720640

約数和(自身を除く): 4661099352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 113, 117, 126, 156, 168, 182, 226, 234, 252, 273, 312, 339, 364, 452, 468, 504, 546, 678, 728, 791, 819, 904, 936, 1017, 1092, 1356, 1469, 1582, 1638, 2034, 2184, 2373, 2663, 2712, 2938, 3164, 3276, 4068, 4407, 4746, 5326, 5876, 6328, 6552, 7119, 7989, 8136, 8814, 9492, 10283, 10652, 11752, 13221, 14238, 15978, 17628, 18641, 18984, 20566, 21304, 23967, 26442, 28476, 30849, 31956, 34619, 35256, 37282, 41132, 47934, 52884, 55923, 56952, 61698, 63912, 69238, 74564, 82264, 92547, 95868, 103857, 105768, 111846, 123396, 138476, 149128, 167769, 185094, 191736, 207714, 223692, 242333, 246792, 276952, 300919, 311571, 335538, 370188, 415428, 447384, 484666, 601838, 623142, 671076, 726999, 740376, 830856, 902757, 969332, 1203676, 1246284, 1342152, 1453998, 1805514, 1938664, 2106433, 2180997, 2407352, 2492568, 2708271, 2907996, 3611028, 3911947, 4212866, 4361994, 5416542, 5815992, 6319299, 7222056, 7823894, 8425732, 8723988, 10833084, 11735841, 12638598, 15647788, 16851464, 17447976, 18957897, 21666168, 23471682, 25277196, 27383629, 31295576, 35207523, 37915794, 46943364, 50554392, 54767258, 70415046, 75831588, 82150887, 93886728, 109534516, 140830092, 151663176, 164301774, 219069032, 246452661, 281660184, 328603548, 492905322, 657207096, 985810644, 1971621288]

約数ペア:

[(1, 1971621288), (2, 985810644), (3, 657207096), (4, 492905322), (6, 328603548), (7, 281660184), (8, 246452661), (9, 219069032), (12, 164301774), (13, 151663176), (14, 140830092), (18, 109534516), (21, 93886728), (24, 82150887), (26, 75831588), (28, 70415046), (36, 54767258), (39, 50554392), (42, 46943364), (52, 37915794), (56, 35207523), (63, 31295576), (72, 27383629), (78, 25277196), (84, 23471682), (91, 21666168), (104, 18957897), (113, 17447976), (117, 16851464), (126, 15647788), (156, 12638598), (168, 11735841), (182, 10833084), (226, 8723988), (234, 8425732), (252, 7823894), (273, 7222056), (312, 6319299), (339, 5815992), (364, 5416542), (452, 4361994), (468, 4212866), (504, 3911947), (546, 3611028), (678, 2907996), (728, 2708271), (791, 2492568), (819, 2407352), (904, 2180997), (936, 2106433), (1017, 1938664), (1092, 1805514), (1356, 1453998), (1469, 1342152), (1582, 1246284), (1638, 1203676), (2034, 969332), (2184, 902757), (2373, 830856), (2663, 740376), (2712, 726999), (2938, 671076), (3164, 623142), (3276, 601838), (4068, 484666), (4407, 447384), (4746, 415428), (5326, 370188), (5876, 335538), (6328, 311571), (6552, 300919), (7119, 276952), (7989, 246792), (8136, 242333), (8814, 223692), (9492, 207714), (10283, 191736), (10652, 185094), (11752, 167769), (13221, 149128), (14238, 138476), (15978, 123396), (17628, 111846), (18641, 105768), (18984, 103857), (20566, 95868), (21304, 92547), (23967, 82264), (26442, 74564), (28476, 69238), (30849, 63912), (31956, 61698), (34619, 56952), (35256, 55923), (37282, 52884), (41132, 47934)]