261916197

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{158449}}^1$

素因数の和:158500

約数の個数: 16

約数和(自身を含む): 380280000

約数和(自身を除く): 118363803

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 158449, 475347, 3010531, 4595021, 9031593, 13785063, 87305399, 261916197]

約数ペア:

[(1, 261916197), (3, 87305399), (19, 13785063), (29, 9031593), (57, 4595021), (87, 3010531), (551, 475347), (1653, 158449)]