81326456

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{18251}}^1$

素因数の和:18814

約数の個数: 16

約数和(自身を含む): 152769240

約数和(自身を除く): 71442784

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 18251, 36502, 73004, 146008, 10165807, 20331614, 40663228, 81326456]

約数ペア:

[(1, 81326456), (2, 40663228), (4, 20331614), (8, 10165807), (557, 146008), (1114, 73004), (2228, 36502), (4456, 18251)]