28107205

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 41319936

約数和(自身を除く): 13212731

約数列:

[1, 5, 7, 17, 35, 85, 97, 119, 485, 487, 595, 679, 1649, 2435, 3395, 3409, 8245, 8279, 11543, 17045, 41395, 47239, 57715, 57953, 236195, 289765, 330673, 803063, 1653365, 4015315, 5621441, 28107205]

約数ペア:

[(1, 28107205), (5, 5621441), (7, 4015315), (17, 1653365), (35, 803063), (85, 330673), (97, 289765), (119, 236195), (485, 57953), (487, 57715), (595, 47239), (679, 41395), (1649, 17045), (2435, 11543), (3395, 8279), (3409, 8245)]