638091718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{271067}}^1$

素因数の和:271187

約数の個数: 16

約数和(自身を含む): 1053912384

約数和(自身を除く): 415820666

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 271067, 542134, 2981737, 5963474, 29004169, 58008338, 319045859, 638091718]

約数ペア:

[(1, 638091718), (2, 319045859), (11, 58008338), (22, 29004169), (107, 5963474), (214, 2981737), (1177, 542134), (2354, 271067)]