81931124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{2053}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 156662688

約数和(自身を除く): 74731564

約数列:

[1, 2, 4, 11, 22, 44, 907, 1814, 2053, 3628, 4106, 8212, 9977, 19954, 22583, 39908, 45166, 90332, 1862071, 3724142, 7448284, 20482781, 40965562, 81931124]

約数ペア:

[(1, 81931124), (2, 40965562), (4, 20482781), (11, 7448284), (22, 3724142), (44, 1862071), (907, 90332), (1814, 45166), (2053, 39908), (3628, 22583), (4106, 19954), (8212, 9977)]