69688015

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1663}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 91952640

約数和(自身を除く): 22264625

約数列:

[1, 5, 17, 29, 85, 145, 289, 493, 1445, 1663, 2465, 8315, 8381, 28271, 41905, 48227, 141355, 241135, 480607, 819859, 2403035, 4099295, 13937603, 69688015]

約数ペア:

[(1, 69688015), (5, 13937603), (17, 4099295), (29, 2403035), (85, 819859), (145, 480607), (289, 241135), (493, 141355), (1445, 48227), (1663, 41905), (2465, 28271), (8315, 8381)]