289233025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{189661}}^1$

素因数の和:189732

約数の個数: 12

約数和(自身を含む): 364530364

約数和(自身を除く): 75297339

約数列:

[1, 5, 25, 61, 305, 1525, 189661, 948305, 4741525, 11569321, 57846605, 289233025]

約数ペア:

[(1, 289233025), (5, 57846605), (25, 11569321), (61, 4741525), (305, 948305), (1525, 189661)]