25817216

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 51967980

約数和(自身を除く): 26150764

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1616, 1997, 3232, 3994, 6464, 7988, 12928, 15976, 31952, 63904, 127808, 201697, 255616, 403394, 806788, 1613576, 3227152, 6454304, 12908608, 25817216]

約数ペア:

[(1, 25817216), (2, 12908608), (4, 6454304), (8, 3227152), (16, 1613576), (32, 806788), (64, 403394), (101, 255616), (128, 201697), (202, 127808), (404, 63904), (808, 31952), (1616, 15976), (1997, 12928), (3232, 7988), (3994, 6464)]