129304856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{2371}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 257456880

約数和(自身を除く): 128152024

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 401, 802, 1604, 2371, 3208, 4742, 6817, 9484, 13634, 18968, 27268, 40307, 54536, 80614, 161228, 322456, 950771, 1901542, 3803084, 7606168, 16163107, 32326214, 64652428, 129304856]

約数ペア:

[(1, 129304856), (2, 64652428), (4, 32326214), (8, 16163107), (17, 7606168), (34, 3803084), (68, 1901542), (136, 950771), (401, 322456), (802, 161228), (1604, 80614), (2371, 54536), (3208, 40307), (4742, 27268), (6817, 18968), (9484, 13634)]