221708914

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{2857}}^1$

素因数の和:3130

約数の個数: 32

約数和(自身を含む): 398382336

約数和(自身を除く): 176673422

約数列:

[1, 2, 7, 14, 23, 46, 161, 241, 322, 482, 1687, 2857, 3374, 5543, 5714, 11086, 19999, 38801, 39998, 65711, 77602, 131422, 459977, 688537, 919954, 1377074, 4819759, 9639518, 15836351, 31672702, 110854457, 221708914]

約数ペア:

[(1, 221708914), (2, 110854457), (7, 31672702), (14, 15836351), (23, 9639518), (46, 4819759), (161, 1377074), (241, 919954), (322, 688537), (482, 459977), (1687, 131422), (2857, 77602), (3374, 65711), (5543, 39998), (5714, 38801), (11086, 19999)]