1897805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 2897664

約数和(自身を除く): 999859

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 97, 215, 301, 455, 485, 559, 679, 1261, 1505, 2795, 3395, 3913, 4171, 6305, 8827, 19565, 20855, 29197, 44135, 54223, 145985, 271115, 379561, 1897805]

約数ペア:

[(1, 1897805), (5, 379561), (7, 271115), (13, 145985), (35, 54223), (43, 44135), (65, 29197), (91, 20855), (97, 19565), (215, 8827), (301, 6305), (455, 4171), (485, 3913), (559, 3395), (679, 2795), (1261, 1505)]