631150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:996

約数の個数: 24

約数和(自身を含む): 1265544

約数和(自身を除く): 634394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 971, 1942, 4855, 9710, 12623, 24275, 25246, 48550, 63115, 126230, 315575, 631150]

約数ペア:

[(1, 631150), (2, 315575), (5, 126230), (10, 63115), (13, 48550), (25, 25246), (26, 24275), (50, 12623), (65, 9710), (130, 4855), (325, 1942), (650, 971)]