198921998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{531877}}^1$

素因数の和:531907

約数の個数: 16

約数和(自身を含む): 344656944

約数和(自身を除く): 145734946

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 531877, 1063754, 5850647, 9041909, 11701294, 18083818, 99460999, 198921998]

約数ペア:

[(1, 198921998), (2, 99460999), (11, 18083818), (17, 11701294), (22, 9041909), (34, 5850647), (187, 1063754), (374, 531877)]