389675804

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{323651}}^1$

素因数の和:323705

約数の個数: 24

約数和(自身を含む): 797478528

約数和(自身を除く): 407802724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 323651, 647302, 1294604, 2265557, 4531114, 9062228, 13916993, 27833986, 55667972, 97418951, 194837902, 389675804]

約数ペア:

[(1, 389675804), (2, 194837902), (4, 97418951), (7, 55667972), (14, 27833986), (28, 13916993), (43, 9062228), (86, 4531114), (172, 2265557), (301, 1294604), (602, 647302), (1204, 323651)]