811191890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251143}}^1$

素因数の和:251186

約数の個数: 32

約数和(自身を含む): 1627413120

約数和(自身を除く): 816221230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 251143, 502286, 1255715, 2511430, 4269431, 4771717, 8538862, 9543434, 21347155, 23858585, 42694310, 47717170, 81119189, 162238378, 405595945, 811191890]

約数ペア:

[(1, 811191890), (2, 405595945), (5, 162238378), (10, 81119189), (17, 47717170), (19, 42694310), (34, 23858585), (38, 21347155), (85, 9543434), (95, 8538862), (170, 4771717), (190, 4269431), (323, 2511430), (646, 1255715), (1615, 502286), (3230, 251143)]