128523518

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1363

約数の個数: 16

約数和(自身を含む): 194469120

約数和(自身を除く): 65945602

約数列:

[1, 2, 191, 382, 509, 661, 1018, 1322, 97219, 126251, 194438, 252502, 336449, 672898, 64261759, 128523518]

約数ペア:

[(1, 128523518), (2, 64261759), (191, 672898), (382, 336449), (509, 252502), (661, 194438), (1018, 126251), (1322, 97219)]