217756658

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{3911}}^1$

素因数の和:4058

約数の個数: 32

約数和(自身を含む): 386443008

約数和(自身を除く): 168686350

約数列:

[1, 2, 7, 14, 41, 82, 97, 194, 287, 574, 679, 1358, 3911, 3977, 7822, 7954, 27377, 27839, 54754, 55678, 160351, 320702, 379367, 758734, 1122457, 2244914, 2655569, 5311138, 15554047, 31108094, 108878329, 217756658]

約数ペア:

[(1, 217756658), (2, 108878329), (7, 31108094), (14, 15554047), (41, 5311138), (82, 2655569), (97, 2244914), (194, 1122457), (287, 758734), (574, 379367), (679, 320702), (1358, 160351), (3911, 55678), (3977, 54754), (7822, 27839), (7954, 27377)]