642941159

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{2879}}^1$

素因数の和:3470

約数の個数: 16

約数和(自身を含む): 748523520

約数和(自身を除く): 105582361

約数列:

[1, 7, 61, 427, 523, 2879, 3661, 20153, 31903, 175619, 223321, 1229333, 1505717, 10540019, 91848737, 642941159]

約数ペア:

[(1, 642941159), (7, 91848737), (61, 10540019), (427, 1505717), (523, 1229333), (2879, 223321), (3661, 175619), (20153, 31903)]