220675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 340256

約数和(自身を除く): 119581

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 97, 175, 325, 455, 485, 679, 1261, 2275, 2425, 3395, 6305, 8827, 16975, 31525, 44135, 220675]

約数ペア:

[(1, 220675), (5, 44135), (7, 31525), (13, 16975), (25, 8827), (35, 6305), (65, 3395), (91, 2425), (97, 2275), (175, 1261), (325, 679), (455, 485)]