2638825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 3964032

約数和(自身を除く): 1325207

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 887, 2975, 4435, 6209, 15079, 22175, 31045, 75395, 105553, 155225, 376975, 527765, 2638825]

約数ペア:

[(1, 2638825), (5, 527765), (7, 376975), (17, 155225), (25, 105553), (35, 75395), (85, 31045), (119, 22175), (175, 15079), (425, 6209), (595, 4435), (887, 2975)]