631373860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{14369}}^1$

素因数の和:14417

約数の個数: 48

約数和(自身を含む): 1436425200

約数和(自身を除く): 805051340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 8788, 10985, 14369, 21970, 28738, 43940, 57476, 71845, 143690, 186797, 287380, 373594, 747188, 933985, 1867970, 2428361, 3735940, 4856722, 9713444, 12141805, 24283610, 31568693, 48567220, 63137386, 126274772, 157843465, 315686930, 631373860]

約数ペア:

[(1, 631373860), (2, 315686930), (4, 157843465), (5, 126274772), (10, 63137386), (13, 48567220), (20, 31568693), (26, 24283610), (52, 12141805), (65, 9713444), (130, 4856722), (169, 3735940), (260, 2428361), (338, 1867970), (676, 933985), (845, 747188), (1690, 373594), (2197, 287380), (3380, 186797), (4394, 143690), (8788, 71845), (10985, 57476), (14369, 43940), (21970, 28738)]