31158886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21139}}^1$

素因数の和:21219

約数の個数: 16

約数和(自身を含む): 51750720

約数和(自身を除く): 20591834

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 21139, 42278, 232529, 465058, 1416313, 2832626, 15579443, 31158886]

約数ペア:

[(1, 31158886), (2, 15579443), (11, 2832626), (22, 1416313), (67, 465058), (134, 232529), (737, 42278), (1474, 21139)]