289901456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{23623}}^1$

素因数の和:23703

約数の個数: 40

約数和(自身を含む): 615168960

約数和(自身を除く): 325267504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 3068, 6136, 12272, 23623, 47246, 94492, 188984, 307099, 377968, 614198, 1228396, 1393757, 2456792, 2787514, 4913584, 5575028, 11150056, 18118841, 22300112, 36237682, 72475364, 144950728, 289901456]

約数ペア:

[(1, 289901456), (2, 144950728), (4, 72475364), (8, 36237682), (13, 22300112), (16, 18118841), (26, 11150056), (52, 5575028), (59, 4913584), (104, 2787514), (118, 2456792), (208, 1393757), (236, 1228396), (472, 614198), (767, 377968), (944, 307099), (1534, 188984), (3068, 94492), (6136, 47246), (12272, 23623)]