198892025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3181}}^1$

素因数の和:3293

約数の個数: 24

約数和(自身を含む): 256863768

約数和(自身を除く): 57971743

約数列:

[1, 5, 25, 41, 61, 205, 305, 1025, 1525, 2501, 3181, 12505, 15905, 62525, 79525, 130421, 194041, 652105, 970205, 3260525, 4851025, 7955681, 39778405, 198892025]

約数ペア:

[(1, 198892025), (5, 39778405), (25, 7955681), (41, 4851025), (61, 3260525), (205, 970205), (305, 652105), (1025, 194041), (1525, 130421), (2501, 79525), (3181, 62525), (12505, 15905)]