81712474

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1\times {\mathrm{523}}^1$

素因数の和:1125

約数の個数: 16

約数和(自身を含む): 123747840

約数和(自身を除く): 42035366

約数列:

[1, 2, 191, 382, 409, 523, 818, 1046, 78119, 99893, 156238, 199786, 213907, 427814, 40856237, 81712474]

約数ペア:

[(1, 81712474), (2, 40856237), (191, 427814), (382, 213907), (409, 199786), (523, 156238), (818, 99893), (1046, 78119)]