1661248

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 28

約数和(自身を含む): 3342132

約数和(自身を除く): 1680884

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 257, 404, 514, 808, 1028, 1616, 2056, 3232, 4112, 6464, 8224, 16448, 25957, 51914, 103828, 207656, 415312, 830624, 1661248]

約数ペア:

[(1, 1661248), (2, 830624), (4, 415312), (8, 207656), (16, 103828), (32, 51914), (64, 25957), (101, 16448), (202, 8224), (257, 6464), (404, 4112), (514, 3232), (808, 2056), (1028, 1616)]