31297636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 60343360

約数和(自身を除く): 29045724

約数列:

[1, 2, 4, 19, 38, 43, 61, 76, 86, 122, 157, 172, 244, 314, 628, 817, 1159, 1634, 2318, 2623, 2983, 3268, 4636, 5246, 5966, 6751, 9577, 10492, 11932, 13502, 19154, 27004, 38308, 49837, 99674, 128269, 181963, 199348, 256538, 363926, 411811, 513076, 727852, 823622, 1647244, 7824409, 15648818, 31297636]

約数ペア:

[(1, 31297636), (2, 15648818), (4, 7824409), (19, 1647244), (38, 823622), (43, 727852), (61, 513076), (76, 411811), (86, 363926), (122, 256538), (157, 199348), (172, 181963), (244, 128269), (314, 99674), (628, 49837), (817, 38308), (1159, 27004), (1634, 19154), (2318, 13502), (2623, 11932), (2983, 10492), (3268, 9577), (4636, 6751), (5246, 5966)]