81976982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{7027}}^1$

素因数の和:7355

約数の個数: 16

約数和(自身を含む): 129877440

約数和(自身を除く): 47900458

約数列:

[1, 2, 19, 38, 307, 614, 5833, 7027, 11666, 14054, 133513, 267026, 2157289, 4314578, 40988491, 81976982]

約数ペア:

[(1, 81976982), (2, 40988491), (19, 4314578), (38, 2157289), (307, 267026), (614, 133513), (5833, 14054), (7027, 11666)]