8517990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21841}}^1$

素因数の和:21864

約数の個数: 32

約数和(自身を含む): 22016736

約数和(自身を除く): 13498746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21841, 43682, 65523, 109205, 131046, 218410, 283933, 327615, 567866, 655230, 851799, 1419665, 1703598, 2839330, 4258995, 8517990]

約数ペア:

[(1, 8517990), (2, 4258995), (3, 2839330), (5, 1703598), (6, 1419665), (10, 851799), (13, 655230), (15, 567866), (26, 327615), (30, 283933), (39, 218410), (65, 131046), (78, 109205), (130, 65523), (195, 43682), (390, 21841)]