81779302

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 139419648

約数和(自身を除く): 57640346

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 991, 1331, 1982, 2662, 3751, 7502, 10901, 21802, 30721, 41261, 61442, 82522, 119911, 239822, 337931, 675862, 1319021, 2638042, 3717241, 7434482, 40889651, 81779302]

約数ペア:

[(1, 81779302), (2, 40889651), (11, 7434482), (22, 3717241), (31, 2638042), (62, 1319021), (121, 675862), (242, 337931), (341, 239822), (682, 119911), (991, 82522), (1331, 61442), (1982, 41261), (2662, 30721), (3751, 21802), (7502, 10901)]