81706604

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 169268736

約数和(自身を除く): 87562132

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 103, 164, 206, 287, 412, 574, 691, 721, 1148, 1382, 1442, 2764, 2884, 4223, 4837, 8446, 9674, 16892, 19348, 28331, 29561, 56662, 59122, 71173, 113324, 118244, 142346, 198317, 284692, 396634, 498211, 793268, 996422, 1992844, 2918093, 5836186, 11672372, 20426651, 40853302, 81706604]

約数ペア:

[(1, 81706604), (2, 40853302), (4, 20426651), (7, 11672372), (14, 5836186), (28, 2918093), (41, 1992844), (82, 996422), (103, 793268), (164, 498211), (206, 396634), (287, 284692), (412, 198317), (574, 142346), (691, 118244), (721, 113324), (1148, 71173), (1382, 59122), (1442, 56662), (2764, 29561), (2884, 28331), (4223, 19348), (4837, 16892), (8446, 9674)]