31638748

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 56774144

約数和(自身を除く): 25135396

約数列:

[1, 2, 4, 61, 122, 127, 244, 254, 508, 1021, 2042, 4084, 7747, 15494, 30988, 62281, 124562, 129667, 249124, 259334, 518668, 7909687, 15819374, 31638748]

約数ペア:

[(1, 31638748), (2, 15819374), (4, 7909687), (61, 518668), (122, 259334), (127, 249124), (244, 129667), (254, 124562), (508, 62281), (1021, 30988), (2042, 15494), (4084, 7747)]