80781688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45691}}^1$

素因数の和:45727

約数の個数: 32

約数和(自身を含む): 172715760

約数和(自身を除く): 91934072

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 45691, 91382, 182764, 365528, 593983, 776747, 1187966, 1553494, 2375932, 3106988, 4751864, 6213976, 10097711, 20195422, 40390844, 80781688]

約数ペア:

[(1, 80781688), (2, 40390844), (4, 20195422), (8, 10097711), (13, 6213976), (17, 4751864), (26, 3106988), (34, 2375932), (52, 1553494), (68, 1187966), (104, 776747), (136, 593983), (221, 365528), (442, 182764), (884, 91382), (1768, 45691)]