404964928

素因数分解:

$2^6\times {\mathrm{307}}^1\times {\mathrm{20611}}^1$

素因数の和:20930

約数の個数: 28

約数和(自身を含む): 806258992

約数和(自身を除く): 401294064

約数列:

[1, 2, 4, 8, 16, 32, 64, 307, 614, 1228, 2456, 4912, 9824, 19648, 20611, 41222, 82444, 164888, 329776, 659552, 1319104, 6327577, 12655154, 25310308, 50620616, 101241232, 202482464, 404964928]

約数ペア:

[(1, 404964928), (2, 202482464), (4, 101241232), (8, 50620616), (16, 25310308), (32, 12655154), (64, 6327577), (307, 1319104), (614, 659552), (1228, 329776), (2456, 164888), (4912, 82444), (9824, 41222), (19648, 20611)]