507403780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951553}}^1$

素因数の和:1951575

約数の個数: 24

約数和(自身を含む): 1147513752

約数和(自身を除く): 640109972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1951553, 3903106, 7806212, 9757765, 19515530, 25370189, 39031060, 50740378, 101480756, 126850945, 253701890, 507403780]

約数ペア:

[(1, 507403780), (2, 253701890), (4, 126850945), (5, 101480756), (10, 50740378), (13, 39031060), (20, 25370189), (26, 19515530), (52, 9757765), (65, 7806212), (130, 3903106), (260, 1951553)]