217156789718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{519513851}}^1$

素因数の和:519513883

約数の個数: 16

約数和(自身を含む): 374049973440

約数和(自身を除く): 156893183722

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 519513851, 1039027702, 5714652361, 9870763169, 11429304722, 19741526338, 108578394859, 217156789718]

約数ペア:

[(1, 217156789718), (2, 108578394859), (11, 19741526338), (19, 11429304722), (22, 9870763169), (38, 5714652361), (209, 1039027702), (418, 519513851)]