256768306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{54331}}^1$

素因数の和:54489

約数の個数: 16

約数和(自身を含む): 410749920

約数和(自身を除く): 153981614

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4726, 54331, 108662, 923627, 1847254, 7552009, 15104018, 128384153, 256768306]

約数ペア:

[(1, 256768306), (2, 128384153), (17, 15104018), (34, 7552009), (139, 1847254), (278, 923627), (2363, 108662), (4726, 54331)]