39967838

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{1931}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 61205760

約数和(自身を除く): 21237922

約数列:

[1, 2, 79, 131, 158, 262, 1931, 3862, 10349, 20698, 152549, 252961, 305098, 505922, 19983919, 39967838]

約数ペア:

[(1, 39967838), (2, 19983919), (79, 505922), (131, 305098), (158, 252961), (262, 152549), (1931, 20698), (3862, 10349)]