78810856

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{997}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 152155080

約数和(自身を除く): 73344224

約数列:

[1, 2, 4, 8, 41, 82, 164, 241, 328, 482, 964, 997, 1928, 1994, 3988, 7976, 9881, 19762, 39524, 40877, 79048, 81754, 163508, 240277, 327016, 480554, 961108, 1922216, 9851357, 19702714, 39405428, 78810856]

約数ペア:

[(1, 78810856), (2, 39405428), (4, 19702714), (8, 9851357), (41, 1922216), (82, 961108), (164, 480554), (241, 327016), (328, 240277), (482, 163508), (964, 81754), (997, 79048), (1928, 40877), (1994, 39524), (3988, 19762), (7976, 9881)]