257331368

素因数分解:

$2^3\times 7^1\times {\mathrm{839}}^1\times {\mathrm{5477}}^1$

素因数の和:6329

約数の個数: 32

約数和(自身を含む): 552182400

約数和(自身を除く): 294851032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 839, 1678, 3356, 5477, 5873, 6712, 10954, 11746, 21908, 23492, 38339, 43816, 46984, 76678, 153356, 306712, 4595203, 9190406, 18380812, 32166421, 36761624, 64332842, 128665684, 257331368]

約数ペア:

[(1, 257331368), (2, 128665684), (4, 64332842), (7, 36761624), (8, 32166421), (14, 18380812), (28, 9190406), (56, 4595203), (839, 306712), (1678, 153356), (3356, 76678), (5477, 46984), (5873, 43816), (6712, 38339), (10954, 23492), (11746, 21908)]