207649625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 274240512

約数和(自身を除く): 66590887

約数列:

[1, 5, 25, 31, 41, 125, 155, 205, 775, 1025, 1271, 1307, 3875, 5125, 6355, 6535, 31775, 32675, 40517, 53587, 158875, 163375, 202585, 267935, 1012925, 1339675, 1661197, 5064625, 6698375, 8305985, 41529925, 207649625]

約数ペア:

[(1, 207649625), (5, 41529925), (25, 8305985), (31, 6698375), (41, 5064625), (125, 1661197), (155, 1339675), (205, 1012925), (775, 267935), (1025, 202585), (1271, 163375), (1307, 158875), (3875, 53587), (5125, 40517), (6355, 32675), (6535, 31775)]