2209025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 3374784

約数和(自身を除く): 1165759

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 971, 2275, 4855, 6797, 12623, 24275, 33985, 63115, 88361, 169925, 315575, 441805, 2209025]

約数ペア:

[(1, 2209025), (5, 441805), (7, 315575), (13, 169925), (25, 88361), (35, 63115), (65, 33985), (91, 24275), (175, 12623), (325, 6797), (455, 4855), (971, 2275)]