394367090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 791513856

約数和(自身を除く): 397146766

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 163, 185, 326, 370, 481, 503, 815, 962, 1006, 1630, 2119, 2405, 2515, 4238, 4810, 5030, 6031, 6539, 10595, 12062, 13078, 18611, 21190, 30155, 32695, 37222, 60310, 65390, 78403, 81989, 93055, 156806, 163978, 186110, 241943, 392015, 409945, 483886, 784030, 819890, 1065857, 1209715, 2131714, 2419430, 3033593, 5329285, 6067186, 10658570, 15167965, 30335930, 39436709, 78873418, 197183545, 394367090]

約数ペア:

[(1, 394367090), (2, 197183545), (5, 78873418), (10, 39436709), (13, 30335930), (26, 15167965), (37, 10658570), (65, 6067186), (74, 5329285), (130, 3033593), (163, 2419430), (185, 2131714), (326, 1209715), (370, 1065857), (481, 819890), (503, 784030), (815, 483886), (962, 409945), (1006, 392015), (1630, 241943), (2119, 186110), (2405, 163978), (2515, 156806), (4238, 93055), (4810, 81989), (5030, 78403), (6031, 65390), (6539, 60310), (10595, 37222), (12062, 32695), (13078, 30155), (18611, 21190)]