81819802

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1\times {\mathrm{1109}}^1$

素因数の和:2145

約数の個数: 16

約数和(自身を含む): 126286920

約数和(自身を除く): 44467118

約数列:

[1, 2, 37, 74, 997, 1109, 1994, 2218, 36889, 41033, 73778, 82066, 1105673, 2211346, 40909901, 81819802]

約数ペア:

[(1, 81819802), (2, 40909901), (37, 2211346), (74, 1105673), (997, 82066), (1109, 73778), (1994, 41033), (2218, 36889)]