205728245

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 263761920

約数和(自身を除く): 58033675

約数列:

[1, 5, 31, 53, 79, 155, 265, 317, 395, 1585, 1643, 2449, 4187, 8215, 9827, 12245, 16801, 20935, 25043, 49135, 84005, 125215, 129797, 520831, 648985, 776333, 1327279, 2604155, 3881665, 6636395, 41145649, 205728245]

約数ペア:

[(1, 205728245), (5, 41145649), (31, 6636395), (53, 3881665), (79, 2604155), (155, 1327279), (265, 776333), (317, 648985), (395, 520831), (1585, 129797), (1643, 125215), (2449, 84005), (4187, 49135), (8215, 25043), (9827, 20935), (12245, 16801)]