89720390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1697}}^1$

素因数の和:2032

約数の個数: 32

約数和(自身を含む): 171647424

約数和(自身を除く): 81927034

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 311, 622, 1555, 1697, 3110, 3394, 5287, 8485, 10574, 16970, 26435, 28849, 52870, 57698, 144245, 288490, 527767, 1055534, 2638835, 5277670, 8972039, 17944078, 44860195, 89720390]

約数ペア:

[(1, 89720390), (2, 44860195), (5, 17944078), (10, 8972039), (17, 5277670), (34, 2638835), (85, 1055534), (170, 527767), (311, 288490), (622, 144245), (1555, 57698), (1697, 52870), (3110, 28849), (3394, 26435), (5287, 16970), (8485, 10574)]