128217502

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 247587840

約数和(自身を除く): 119370338

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 59, 118, 119, 161, 238, 322, 391, 397, 413, 782, 794, 826, 1003, 1357, 2006, 2714, 2737, 2779, 5474, 5558, 6749, 7021, 9131, 9499, 13498, 14042, 18262, 18998, 23069, 23423, 46138, 46846, 47243, 63917, 94486, 127834, 155227, 161483, 163961, 310454, 322966, 327922, 398191, 538729, 796382, 1077458, 1086589, 2173178, 2787337, 3771103, 5574674, 7542206, 9158393, 18316786, 64108751, 128217502]

約数ペア:

[(1, 128217502), (2, 64108751), (7, 18316786), (14, 9158393), (17, 7542206), (23, 5574674), (34, 3771103), (46, 2787337), (59, 2173178), (118, 1086589), (119, 1077458), (161, 796382), (238, 538729), (322, 398191), (391, 327922), (397, 322966), (413, 310454), (782, 163961), (794, 161483), (826, 155227), (1003, 127834), (1357, 94486), (2006, 63917), (2714, 47243), (2737, 46846), (2779, 46138), (5474, 23423), (5558, 23069), (6749, 18998), (7021, 18262), (9131, 14042), (9499, 13498)]