86981690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 173010816

約数和(自身を除く): 86029126

約数列:

[1, 2, 5, 10, 17, 34, 43, 73, 85, 86, 146, 163, 170, 215, 326, 365, 430, 730, 731, 815, 1241, 1462, 1630, 2482, 2771, 3139, 3655, 5542, 6205, 6278, 7009, 7310, 11899, 12410, 13855, 14018, 15695, 23798, 27710, 31390, 35045, 53363, 59495, 70090, 106726, 118990, 119153, 202283, 238306, 266815, 404566, 511657, 533630, 595765, 1011415, 1023314, 1191530, 2022830, 2558285, 5116570, 8698169, 17396338, 43490845, 86981690]

約数ペア:

[(1, 86981690), (2, 43490845), (5, 17396338), (10, 8698169), (17, 5116570), (34, 2558285), (43, 2022830), (73, 1191530), (85, 1023314), (86, 1011415), (146, 595765), (163, 533630), (170, 511657), (215, 404566), (326, 266815), (365, 238306), (430, 202283), (730, 119153), (731, 118990), (815, 106726), (1241, 70090), (1462, 59495), (1630, 53363), (2482, 35045), (2771, 31390), (3139, 27710), (3655, 23798), (5542, 15695), (6205, 14018), (6278, 13855), (7009, 12410), (7310, 11899)]