66781870

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^2\times {\mathrm{523}}^1$

素因数の和:756

約数の個数: 24

約数和(自身を含む): 121512456

約数和(自身を除く): 54730586

約数列:

[1, 2, 5, 10, 113, 226, 523, 565, 1046, 1130, 2615, 5230, 12769, 25538, 59099, 63845, 118198, 127690, 295495, 590990, 6678187, 13356374, 33390935, 66781870]

約数ペア:

[(1, 66781870), (2, 33390935), (5, 13356374), (10, 6678187), (113, 590990), (226, 295495), (523, 127690), (565, 118198), (1046, 63845), (1130, 59099), (2615, 25538), (5230, 12769)]