87357788

素因数分解:

$2^2\times 7^2\times {\mathrm{445703}}^1$

素因数の和:445721

約数の個数: 18

約数和(自身を含む): 177835896

約数和(自身を除く): 90478108

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 445703, 891406, 1782812, 3119921, 6239842, 12479684, 21839447, 43678894, 87357788]

約数ペア:

[(1, 87357788), (2, 43678894), (4, 21839447), (7, 12479684), (14, 6239842), (28, 3119921), (49, 1782812), (98, 891406), (196, 445703)]