389623408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1432439}}^1$

素因数の和:1432464

約数の個数: 20

約数和(自身を含む): 799301520

約数和(自身を除く): 409678112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1432439, 2864878, 5729756, 11459512, 22919024, 24351463, 48702926, 97405852, 194811704, 389623408]

約数ペア:

[(1, 389623408), (2, 194811704), (4, 97405852), (8, 48702926), (16, 24351463), (17, 22919024), (34, 11459512), (68, 5729756), (136, 2864878), (272, 1432439)]