68508725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{487}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 90404928

約数和(自身を除く): 21896203

約数列:

[1, 5, 17, 25, 85, 331, 425, 487, 1655, 2435, 5627, 8275, 8279, 12175, 28135, 41395, 140675, 161197, 206975, 805985, 2740349, 4029925, 13701745, 68508725]

約数ペア:

[(1, 68508725), (5, 13701745), (17, 4029925), (25, 2740349), (85, 805985), (331, 206975), (425, 161197), (487, 140675), (1655, 41395), (2435, 28135), (5627, 12175), (8275, 8279)]