199039841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{198841}}^1$

素因数の和:198872

約数の個数: 16

約数和(自身を含む): 267243648

約数和(自身を除く): 68203807

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 198841, 1391887, 2187251, 2584933, 15310757, 18094531, 28434263, 199039841]

約数ペア:

[(1, 199039841), (7, 28434263), (11, 18094531), (13, 15310757), (77, 2584933), (91, 2187251), (143, 1391887), (1001, 198841)]