30891856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 63913320

約数和(自身を除く): 33021464

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 548, 829, 1096, 1658, 2192, 2329, 3316, 4658, 6632, 9316, 13264, 14093, 18632, 28186, 37264, 56372, 112744, 113573, 225488, 227146, 454292, 908584, 1817168, 1930741, 3861482, 7722964, 15445928, 30891856]

約数ペア:

[(1, 30891856), (2, 15445928), (4, 7722964), (8, 3861482), (16, 1930741), (17, 1817168), (34, 908584), (68, 454292), (136, 227146), (137, 225488), (272, 113573), (274, 112744), (548, 56372), (829, 37264), (1096, 28186), (1658, 18632), (2192, 14093), (2329, 13264), (3316, 9316), (4658, 6632)]