126123530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2251}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 245161728

約数和(自身を除く): 119038198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 2155, 2251, 4310, 4502, 5603, 11206, 11255, 22510, 28015, 29263, 56030, 58526, 146315, 292630, 970181, 1940362, 4850905, 9701810, 12612353, 25224706, 63061765, 126123530]

約数ペア:

[(1, 126123530), (2, 63061765), (5, 25224706), (10, 12612353), (13, 9701810), (26, 4850905), (65, 1940362), (130, 970181), (431, 292630), (862, 146315), (2155, 58526), (2251, 56030), (4310, 29263), (4502, 28015), (5603, 22510), (11206, 11255)]