208545875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 271692096

約数和(自身を除く): 63146221

約数列:

[1, 5, 25, 37, 67, 125, 185, 335, 673, 925, 1675, 2479, 3365, 4625, 8375, 12395, 16825, 24901, 45091, 61975, 84125, 124505, 225455, 309875, 622525, 1127275, 1668367, 3112625, 5636375, 8341835, 41709175, 208545875]

約数ペア:

[(1, 208545875), (5, 41709175), (25, 8341835), (37, 5636375), (67, 3112625), (125, 1668367), (185, 1127275), (335, 622525), (673, 309875), (925, 225455), (1675, 124505), (2479, 84125), (3365, 61975), (4625, 45091), (8375, 24901), (12395, 16825)]