81240122

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{1409}}^1$

素因数の和:1765

約数の個数: 16

約数和(自身を含む): 123448320

約数和(自身を除く): 42208198

約数列:

[1, 2, 127, 227, 254, 454, 1409, 2818, 28829, 57658, 178943, 319843, 357886, 639686, 40620061, 81240122]

約数ペア:

[(1, 81240122), (2, 40620061), (127, 639686), (227, 357886), (254, 319843), (454, 178943), (1409, 57658), (2818, 28829)]