172955380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{665213}}^1$

素因数の和:665235

約数の個数: 24

約数和(自身を含む): 391145832

約数和(自身を除く): 218190452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 665213, 1330426, 2660852, 3326065, 6652130, 8647769, 13304260, 17295538, 34591076, 43238845, 86477690, 172955380]

約数ペア:

[(1, 172955380), (2, 86477690), (4, 43238845), (5, 34591076), (10, 17295538), (13, 13304260), (20, 8647769), (26, 6652130), (52, 3326065), (65, 2660852), (130, 1330426), (260, 665213)]