31877170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245209}}^1$

素因数の和:245229

約数の個数: 16

約数和(自身を含む): 61792920

約数和(自身を除く): 29915750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 245209, 490418, 1226045, 2452090, 3187717, 6375434, 15938585, 31877170]

約数ペア:

[(1, 31877170), (2, 15938585), (5, 6375434), (10, 3187717), (13, 2452090), (26, 1226045), (65, 490418), (130, 245209)]