20161245618

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{68813}}^1$

素因数の和:69259

約数の個数: 48

約数和(自身を含む): 44861498136

約数和(自身を除く): 24700252518

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 397, 738, 794, 1191, 2382, 3573, 7146, 16277, 32554, 48831, 68813, 97662, 137626, 146493, 206439, 292986, 412878, 619317, 1238634, 2821333, 5642666, 8463999, 16927998, 25391997, 27318761, 50783994, 54637522, 81956283, 163912566, 245868849, 491737698, 1120069201, 2240138402, 3360207603, 6720415206, 10080622809, 20161245618]

約数ペア:

[(1, 20161245618), (2, 10080622809), (3, 6720415206), (6, 3360207603), (9, 2240138402), (18, 1120069201), (41, 491737698), (82, 245868849), (123, 163912566), (246, 81956283), (369, 54637522), (397, 50783994), (738, 27318761), (794, 25391997), (1191, 16927998), (2382, 8463999), (3573, 5642666), (7146, 2821333), (16277, 1238634), (32554, 619317), (48831, 412878), (68813, 292986), (97662, 206439), (137626, 146493)]