193721405

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{1901}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 236228400

約数和(自身を除く): 42506995

約数列:

[1, 5, 89, 229, 445, 1145, 1901, 9505, 20381, 101905, 169189, 435329, 845945, 2176645, 38744281, 193721405]

約数ペア:

[(1, 193721405), (5, 38744281), (89, 2176645), (229, 845945), (445, 435329), (1145, 169189), (1901, 101905), (9505, 20381)]