917994490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{214987}}^1$

素因数の和:215062

約数の個数: 32

約数和(自身を含む): 1919412864

約数和(自身を除く): 1001418374

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 214987, 429974, 1074935, 1504909, 2149870, 3009818, 7524545, 13114207, 15049090, 26228414, 65571035, 91799449, 131142070, 183598898, 458997245, 917994490]

約数ペア:

[(1, 917994490), (2, 458997245), (5, 183598898), (7, 131142070), (10, 91799449), (14, 65571035), (35, 26228414), (61, 15049090), (70, 13114207), (122, 7524545), (305, 3009818), (427, 2149870), (610, 1504909), (854, 1074935), (2135, 429974), (4270, 214987)]