129623260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{498551}}^1$

素因数の和:498573

約数の個数: 24

約数和(自身を含む): 293148576

約数和(自身を除く): 163525316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 498551, 997102, 1994204, 2492755, 4985510, 6481163, 9971020, 12962326, 25924652, 32405815, 64811630, 129623260]

約数ペア:

[(1, 129623260), (2, 64811630), (4, 32405815), (5, 25924652), (10, 12962326), (13, 9971020), (20, 6481163), (26, 4985510), (52, 2492755), (65, 1994204), (130, 997102), (260, 498551)]