487946420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1876717}}^1$

素因数の和:1876739

約数の個数: 24

約数和(自身を含む): 1103510184

約数和(自身を除く): 615563764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1876717, 3753434, 7506868, 9383585, 18767170, 24397321, 37534340, 48794642, 97589284, 121986605, 243973210, 487946420]

約数ペア:

[(1, 487946420), (2, 243973210), (4, 121986605), (5, 97589284), (10, 48794642), (13, 37534340), (20, 24397321), (26, 18767170), (52, 9383585), (65, 7506868), (130, 3753434), (260, 1876717)]