218005165

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 314990208

約数和(自身を除く): 96985043

約数列:

[1, 5, 7, 35, 49, 53, 103, 163, 245, 265, 371, 515, 721, 815, 1141, 1855, 2597, 3605, 5047, 5459, 5705, 7987, 8639, 12985, 16789, 25235, 27295, 38213, 39935, 43195, 60473, 83945, 117523, 191065, 267491, 302365, 423311, 587615, 822661, 889817, 1337455, 2116555, 4113305, 4449085, 6228719, 31143595, 43601033, 218005165]

約数ペア:

[(1, 218005165), (5, 43601033), (7, 31143595), (35, 6228719), (49, 4449085), (53, 4113305), (103, 2116555), (163, 1337455), (245, 889817), (265, 822661), (371, 587615), (515, 423311), (721, 302365), (815, 267491), (1141, 191065), (1855, 117523), (2597, 83945), (3605, 60473), (5047, 43195), (5459, 39935), (5705, 38213), (7987, 27295), (8639, 25235), (12985, 16789)]