637819532

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 1426076400

約数和(自身を除く): 788256868

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 149, 161, 238, 289, 298, 322, 391, 476, 529, 578, 596, 644, 782, 1043, 1058, 1156, 1564, 2023, 2086, 2116, 2533, 2737, 3427, 3703, 4046, 4172, 5066, 5474, 6647, 6854, 7406, 8092, 8993, 10132, 10948, 13294, 13708, 14812, 17731, 17986, 23989, 26588, 35462, 35972, 43061, 46529, 47978, 58259, 62951, 70924, 78821, 86122, 93058, 95956, 116518, 125902, 152881, 157642, 172244, 186116, 233036, 251804, 301427, 305762, 315284, 407813, 551747, 602854, 611524, 815626, 990403, 1070167, 1103494, 1205708, 1339957, 1631252, 1980806, 2140334, 2206988, 2679914, 3961612, 4280668, 5359828, 6932821, 9379699, 13865642, 18759398, 22779269, 27731284, 37518796, 45558538, 91117076, 159454883, 318909766, 637819532]

約数ペア:

[(1, 637819532), (2, 318909766), (4, 159454883), (7, 91117076), (14, 45558538), (17, 37518796), (23, 27731284), (28, 22779269), (34, 18759398), (46, 13865642), (68, 9379699), (92, 6932821), (119, 5359828), (149, 4280668), (161, 3961612), (238, 2679914), (289, 2206988), (298, 2140334), (322, 1980806), (391, 1631252), (476, 1339957), (529, 1205708), (578, 1103494), (596, 1070167), (644, 990403), (782, 815626), (1043, 611524), (1058, 602854), (1156, 551747), (1564, 407813), (2023, 315284), (2086, 305762), (2116, 301427), (2533, 251804), (2737, 233036), (3427, 186116), (3703, 172244), (4046, 157642), (4172, 152881), (5066, 125902), (5474, 116518), (6647, 95956), (6854, 93058), (7406, 86122), (8092, 78821), (8993, 70924), (10132, 62951), (10948, 58259), (13294, 47978), (13708, 46529), (14812, 43061), (17731, 35972), (17986, 35462), (23989, 26588)]