205201315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 70587485

約数列:

[1, 5, 11, 55, 79, 83, 395, 415, 569, 869, 913, 2845, 4345, 4565, 6259, 6557, 31295, 32785, 44951, 47227, 72127, 224755, 236135, 360635, 494461, 519497, 2472305, 2597485, 3730933, 18654665, 41040263, 205201315]

約数ペア:

[(1, 205201315), (5, 41040263), (11, 18654665), (55, 3730933), (79, 2597485), (83, 2472305), (395, 519497), (415, 494461), (569, 360635), (869, 236135), (913, 224755), (2845, 72127), (4345, 47227), (4565, 44951), (6259, 32785), (6557, 31295)]