287201972

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{433}}^1\times {\mathrm{2099}}^1$

素因数の和:2615

約数の個数: 24

約数和(自身を含む): 510384000

約数和(自身を除く): 223182028

約数列:

[1, 2, 4, 79, 158, 316, 433, 866, 1732, 2099, 4198, 8396, 34207, 68414, 136828, 165821, 331642, 663284, 908867, 1817734, 3635468, 71800493, 143600986, 287201972]

約数ペア:

[(1, 287201972), (2, 143600986), (4, 71800493), (79, 3635468), (158, 1817734), (316, 908867), (433, 663284), (866, 331642), (1732, 165821), (2099, 136828), (4198, 68414), (8396, 34207)]