256570338

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{7331}}^1$

素因数の和:7662

約数の個数: 32

約数和(自身を含む): 541981440

約数和(自身を除く): 285411102

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 307, 614, 921, 1842, 5833, 7331, 11666, 14662, 17499, 21993, 34998, 43986, 139289, 278578, 417867, 835734, 2250617, 4501234, 6751851, 13503702, 42761723, 85523446, 128285169, 256570338]

約数ペア:

[(1, 256570338), (2, 128285169), (3, 85523446), (6, 42761723), (19, 13503702), (38, 6751851), (57, 4501234), (114, 2250617), (307, 835734), (614, 417867), (921, 278578), (1842, 139289), (5833, 43986), (7331, 34998), (11666, 21993), (14662, 17499)]