261886885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{98269}}^1$

素因数の和:98328

約数の個数: 16

約数和(自身を含む): 346696560

約数和(自身を除く): 84809675

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 98269, 491345, 1277497, 4029029, 6387485, 20145145, 52377377, 261886885]

約数ペア:

[(1, 261886885), (5, 52377377), (13, 20145145), (41, 6387485), (65, 4029029), (205, 1277497), (533, 491345), (2665, 98269)]