72171918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:823

約数の個数: 128

約数和(自身を含む): 208051200

約数和(自身を除く): 135879282

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 189, 234, 247, 266, 273, 342, 351, 378, 399, 494, 513, 546, 702, 741, 773, 798, 819, 1026, 1197, 1482, 1546, 1638, 1729, 2223, 2319, 2394, 2457, 3458, 3591, 4446, 4638, 4914, 5187, 5411, 6669, 6957, 7182, 10049, 10374, 10822, 13338, 13914, 14687, 15561, 16233, 20098, 20871, 29374, 30147, 31122, 32466, 41742, 44061, 46683, 48699, 60294, 70343, 88122, 90441, 93366, 97398, 102809, 132183, 140686, 146097, 180882, 190931, 205618, 211029, 264366, 271323, 292194, 308427, 381862, 396549, 422058, 542646, 572793, 616854, 633087, 793098, 925281, 1145586, 1266174, 1336517, 1718379, 1850562, 1899261, 2673034, 2775843, 3436758, 3798522, 4009551, 5155137, 5551686, 8019102, 10310274, 12028653, 24057306, 36085959, 72171918]

約数ペア:

[(1, 72171918), (2, 36085959), (3, 24057306), (6, 12028653), (7, 10310274), (9, 8019102), (13, 5551686), (14, 5155137), (18, 4009551), (19, 3798522), (21, 3436758), (26, 2775843), (27, 2673034), (38, 1899261), (39, 1850562), (42, 1718379), (54, 1336517), (57, 1266174), (63, 1145586), (78, 925281), (91, 793098), (114, 633087), (117, 616854), (126, 572793), (133, 542646), (171, 422058), (182, 396549), (189, 381862), (234, 308427), (247, 292194), (266, 271323), (273, 264366), (342, 211029), (351, 205618), (378, 190931), (399, 180882), (494, 146097), (513, 140686), (546, 132183), (702, 102809), (741, 97398), (773, 93366), (798, 90441), (819, 88122), (1026, 70343), (1197, 60294), (1482, 48699), (1546, 46683), (1638, 44061), (1729, 41742), (2223, 32466), (2319, 31122), (2394, 30147), (2457, 29374), (3458, 20871), (3591, 20098), (4446, 16233), (4638, 15561), (4914, 14687), (5187, 13914), (5411, 13338), (6669, 10822), (6957, 10374), (7182, 10049)]