12778828990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{160397}}^1$

素因数の和:160692

約数の個数: 32

約数和(自身を含む): 23836425984

約数和(自身を除く): 11057596994

約数列:

[1, 2, 5, 10, 31, 62, 155, 257, 310, 514, 1285, 2570, 7967, 15934, 39835, 79670, 160397, 320794, 801985, 1603970, 4972307, 9944614, 24861535, 41222029, 49723070, 82444058, 206110145, 412220290, 1277882899, 2555765798, 6389414495, 12778828990]

約数ペア:

[(1, 12778828990), (2, 6389414495), (5, 2555765798), (10, 1277882899), (31, 412220290), (62, 206110145), (155, 82444058), (257, 49723070), (310, 41222029), (514, 24861535), (1285, 9944614), (2570, 4972307), (7967, 1603970), (15934, 801985), (39835, 320794), (79670, 160397)]