31297168

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2713}}^1$

素因数の和:2831

約数の個数: 40

約数和(自身を含む): 69999488

約数和(自身を除く): 38702320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2713, 2884, 5426, 5768, 10852, 11536, 18991, 21704, 37982, 43408, 75964, 151928, 279439, 303856, 558878, 1117756, 1956073, 2235512, 3912146, 4471024, 7824292, 15648584, 31297168]

約数ペア:

[(1, 31297168), (2, 15648584), (4, 7824292), (7, 4471024), (8, 3912146), (14, 2235512), (16, 1956073), (28, 1117756), (56, 558878), (103, 303856), (112, 279439), (206, 151928), (412, 75964), (721, 43408), (824, 37982), (1442, 21704), (1648, 18991), (2713, 11536), (2884, 10852), (5426, 5768)]