7243990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 14204736

約数和(自身を除く): 6960746

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 541, 1030, 1082, 1339, 2678, 2705, 5410, 6695, 7033, 13390, 14066, 35165, 55723, 70330, 111446, 278615, 557230, 724399, 1448798, 3621995, 7243990]

約数ペア:

[(1, 7243990), (2, 3621995), (5, 1448798), (10, 724399), (13, 557230), (26, 278615), (65, 111446), (103, 70330), (130, 55723), (206, 35165), (515, 14066), (541, 13390), (1030, 7033), (1082, 6695), (1339, 5410), (2678, 2705)]