391199510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{231479}}^1$

素因数の和:231512

約数の個数: 24

約数和(自身を含む): 762495120

約数和(自身を除く): 371295610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 231479, 462958, 1157395, 2314790, 3009227, 6018454, 15046135, 30092270, 39119951, 78239902, 195599755, 391199510]

約数ペア:

[(1, 391199510), (2, 195599755), (5, 78239902), (10, 39119951), (13, 30092270), (26, 15046135), (65, 6018454), (130, 3009227), (169, 2314790), (338, 1157395), (845, 462958), (1690, 231479)]