128231376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1009

約数の個数: 160

約数和(自身を含む): 421306368

約数和(自身を除く): 293074992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 52, 56, 62, 78, 84, 91, 93, 104, 112, 124, 156, 168, 182, 186, 208, 217, 248, 273, 312, 336, 364, 372, 403, 434, 496, 546, 624, 651, 728, 744, 806, 868, 947, 1092, 1209, 1302, 1456, 1488, 1612, 1736, 1894, 2184, 2418, 2604, 2821, 2841, 3224, 3472, 3788, 4368, 4836, 5208, 5642, 5682, 6448, 6629, 7576, 8463, 9672, 10416, 11284, 11364, 12311, 13258, 15152, 16926, 19344, 19887, 22568, 22728, 24622, 26516, 29357, 33852, 36933, 39774, 45136, 45456, 49244, 53032, 58714, 67704, 73866, 79548, 86177, 88071, 98488, 106064, 117428, 135408, 147732, 159096, 172354, 176142, 196976, 205499, 234856, 258531, 295464, 318192, 344708, 352284, 381641, 410998, 469712, 517062, 590928, 616497, 689416, 704568, 763282, 821996, 1034124, 1144923, 1232994, 1378832, 1409136, 1526564, 1643992, 2068248, 2289846, 2465988, 2671487, 3053128, 3287984, 4136496, 4579692, 4931976, 5342974, 6106256, 8014461, 9159384, 9863952, 10685948, 16028922, 18318768, 21371896, 32057844, 42743792, 64115688, 128231376]

約数ペア:

[(1, 128231376), (2, 64115688), (3, 42743792), (4, 32057844), (6, 21371896), (7, 18318768), (8, 16028922), (12, 10685948), (13, 9863952), (14, 9159384), (16, 8014461), (21, 6106256), (24, 5342974), (26, 4931976), (28, 4579692), (31, 4136496), (39, 3287984), (42, 3053128), (48, 2671487), (52, 2465988), (56, 2289846), (62, 2068248), (78, 1643992), (84, 1526564), (91, 1409136), (93, 1378832), (104, 1232994), (112, 1144923), (124, 1034124), (156, 821996), (168, 763282), (182, 704568), (186, 689416), (208, 616497), (217, 590928), (248, 517062), (273, 469712), (312, 410998), (336, 381641), (364, 352284), (372, 344708), (403, 318192), (434, 295464), (496, 258531), (546, 234856), (624, 205499), (651, 196976), (728, 176142), (744, 172354), (806, 159096), (868, 147732), (947, 135408), (1092, 117428), (1209, 106064), (1302, 98488), (1456, 88071), (1488, 86177), (1612, 79548), (1736, 73866), (1894, 67704), (2184, 58714), (2418, 53032), (2604, 49244), (2821, 45456), (2841, 45136), (3224, 39774), (3472, 36933), (3788, 33852), (4368, 29357), (4836, 26516), (5208, 24622), (5642, 22728), (5682, 22568), (6448, 19887), (6629, 19344), (7576, 16926), (8463, 15152), (9672, 13258), (10416, 12311), (11284, 11364)]