331377856

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{20147}}^1$

素因数の和:20416

約数の個数: 28

約数和(自身を含む): 660169368

約数和(自身を除く): 328791512

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 2056, 4112, 8224, 16448, 20147, 40294, 80588, 161176, 322352, 644704, 1289408, 5177779, 10355558, 20711116, 41422232, 82844464, 165688928, 331377856]

約数ペア:

[(1, 331377856), (2, 165688928), (4, 82844464), (8, 41422232), (16, 20711116), (32, 10355558), (64, 5177779), (257, 1289408), (514, 644704), (1028, 322352), (2056, 161176), (4112, 80588), (8224, 40294), (16448, 20147)]