156921217025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{6473}}^1\times {\mathrm{57041}}^1$

素因数の和:63541

約数の個数: 24

約数和(自身を含む): 206063768664

約数和(自身を除く): 49142551639

約数列:

[1, 5, 17, 25, 85, 425, 6473, 32365, 57041, 110041, 161825, 285205, 550205, 969697, 1426025, 2751025, 4848485, 24242425, 369226393, 1846131965, 6276848681, 9230659825, 31384243405, 156921217025]

約数ペア:

[(1, 156921217025), (5, 31384243405), (17, 9230659825), (25, 6276848681), (85, 1846131965), (425, 369226393), (6473, 24242425), (32365, 4848485), (57041, 2751025), (110041, 1426025), (161825, 969697), (285205, 550205)]