15620395

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 22353408

約数和(自身を除く): 6733013

約数列:

[1, 5, 7, 35, 43, 97, 107, 215, 301, 485, 535, 679, 749, 1505, 3395, 3745, 4171, 4601, 10379, 20855, 23005, 29197, 32207, 51895, 72653, 145985, 161035, 363265, 446297, 2231485, 3124079, 15620395]

約数ペア:

[(1, 15620395), (5, 3124079), (7, 2231485), (35, 446297), (43, 363265), (97, 161035), (107, 145985), (215, 72653), (301, 51895), (485, 32207), (535, 29197), (679, 23005), (749, 20855), (1505, 10379), (3395, 4601), (3745, 4171)]