289325785

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 403603200

約数和(自身を除く): 114277415

約数列:

[1, 5, 7, 35, 109, 181, 419, 545, 763, 905, 1267, 2095, 2933, 3815, 6335, 14665, 19729, 45671, 75839, 98645, 138103, 228355, 319697, 379195, 530873, 690515, 1598485, 2654365, 8266451, 41332255, 57865157, 289325785]

約数ペア:

[(1, 289325785), (5, 57865157), (7, 41332255), (35, 8266451), (109, 2654365), (181, 1598485), (419, 690515), (545, 530873), (763, 379195), (905, 319697), (1267, 228355), (2095, 138103), (2933, 98645), (3815, 75839), (6335, 45671), (14665, 19729)]