81187210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{624517}}^1$

素因数の和:624537

約数の個数: 16

約数和(自身を含む): 157378536

約数和(自身を除く): 76191326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 624517, 1249034, 3122585, 6245170, 8118721, 16237442, 40593605, 81187210]

約数ペア:

[(1, 81187210), (2, 40593605), (5, 16237442), (10, 8118721), (13, 6245170), (26, 3122585), (65, 1249034), (130, 624517)]