1722928

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:684

約数の個数: 20

約数和(自身を含む): 3359160

約数和(自身を除く): 1636232

約数列:

[1, 2, 4, 8, 16, 257, 419, 514, 838, 1028, 1676, 2056, 3352, 4112, 6704, 107683, 215366, 430732, 861464, 1722928]

約数ペア:

[(1, 1722928), (2, 861464), (4, 430732), (8, 215366), (16, 107683), (257, 6704), (419, 4112), (514, 3352), (838, 2056), (1028, 1676)]