2490690818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2939}}^1\times {\mathrm{5503}}^1$

素因数の和:8462

約数の個数: 32

約数和(自身を含む): 4660346880

約数和(自身を除く): 2169656062

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 2939, 5503, 5878, 11006, 20573, 32329, 38521, 41146, 60533, 64658, 77042, 121066, 226303, 423731, 452606, 847462, 16173317, 32346634, 113213219, 177906487, 226426438, 355812974, 1245345409, 2490690818]

約数ペア:

[(1, 2490690818), (2, 1245345409), (7, 355812974), (11, 226426438), (14, 177906487), (22, 113213219), (77, 32346634), (154, 16173317), (2939, 847462), (5503, 452606), (5878, 423731), (11006, 226303), (20573, 121066), (32329, 77042), (38521, 64658), (41146, 60533)]