28769525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 38122560

約数和(自身を除く): 9353035

約数列:

[1, 5, 17, 25, 85, 139, 425, 487, 695, 2363, 2435, 3475, 8279, 11815, 12175, 41395, 59075, 67693, 206975, 338465, 1150781, 1692325, 5753905, 28769525]

約数ペア:

[(1, 28769525), (5, 5753905), (17, 1692325), (25, 1150781), (85, 338465), (139, 206975), (425, 67693), (487, 59075), (695, 41395), (2363, 12175), (2435, 11815), (3475, 8279)]