12686290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 23639616

約数和(自身を除く): 10953326

約数列:

[1, 2, 5, 10, 43, 86, 163, 181, 215, 326, 362, 430, 815, 905, 1630, 1810, 7009, 7783, 14018, 15566, 29503, 35045, 38915, 59006, 70090, 77830, 147515, 295030, 1268629, 2537258, 6343145, 12686290]

約数ペア:

[(1, 12686290), (2, 6343145), (5, 2537258), (10, 1268629), (43, 295030), (86, 147515), (163, 77830), (181, 70090), (215, 59006), (326, 38915), (362, 35045), (430, 29503), (815, 15566), (905, 14018), (1630, 7783), (1810, 7009)]