199123235857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{128715731}}^1$

素因数の和:128715768

約数の個数: 16

約数和(自身を含む): 259490915712

約数和(自身を除く): 60367679855

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 128715731, 901010117, 1673304503, 2188167427, 11713131521, 15317171989, 28446176551, 199123235857]

約数ペア:

[(1, 199123235857), (7, 28446176551), (13, 15317171989), (17, 11713131521), (91, 2188167427), (119, 1673304503), (221, 901010117), (1547, 128715731)]