1640761256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{67399}}^1$

素因数の和:67601

約数の個数: 32

約数和(自身を含む): 3275640000

約数和(自身を除く): 1634878744

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 179, 358, 716, 1432, 3043, 6086, 12172, 24344, 67399, 134798, 269596, 539192, 1145783, 2291566, 4583132, 9166264, 12064421, 24128842, 48257684, 96515368, 205095157, 410190314, 820380628, 1640761256]

約数ペア:

[(1, 1640761256), (2, 820380628), (4, 410190314), (8, 205095157), (17, 96515368), (34, 48257684), (68, 24128842), (136, 12064421), (179, 9166264), (358, 4583132), (716, 2291566), (1432, 1145783), (3043, 539192), (6086, 269596), (12172, 134798), (24344, 67399)]