1906975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 2865888

約数和(自身を除く): 958913

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 641, 2975, 3205, 4487, 10897, 16025, 22435, 54485, 76279, 112175, 272425, 381395, 1906975]

約数ペア:

[(1, 1906975), (5, 381395), (7, 272425), (17, 112175), (25, 76279), (35, 54485), (85, 22435), (119, 16025), (175, 10897), (425, 4487), (595, 3205), (641, 2975)]