1278006064

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{490033}}^1$

素因数の和:490204

約数の個数: 20

約数和(自身を含む): 2491332856

約数和(自身を除く): 1213326792

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 490033, 980066, 1960132, 3920264, 7840528, 79875379, 159750758, 319501516, 639003032, 1278006064]

約数ペア:

[(1, 1278006064), (2, 639003032), (4, 319501516), (8, 159750758), (16, 79875379), (163, 7840528), (326, 3920264), (652, 1960132), (1304, 980066), (2608, 490033)]