1640393854

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1153}}^1\times {\mathrm{5879}}^1$

素因数の和:7056

約数の個数: 24

約数和(自身を含む): 2707422480

約数和(自身を除く): 1067028626

約数列:

[1, 2, 11, 22, 121, 242, 1153, 2306, 5879, 11758, 12683, 25366, 64669, 129338, 139513, 279026, 711359, 1422718, 6778487, 13556974, 74563357, 149126714, 820196927, 1640393854]

約数ペア:

[(1, 1640393854), (2, 820196927), (11, 149126714), (22, 74563357), (121, 13556974), (242, 6778487), (1153, 1422718), (2306, 711359), (5879, 279026), (11758, 139513), (12683, 129338), (25366, 64669)]