665965456

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{246289}}^1$

素因数の和:246323

約数の個数: 30

約数和(自身を含む): 1397203170

約数和(自身を除く): 731237714

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 246289, 492578, 985156, 1970312, 3201757, 3940624, 6403514, 12807028, 25614056, 41622841, 51228112, 83245682, 166491364, 332982728, 665965456]

約数ペア:

[(1, 665965456), (2, 332982728), (4, 166491364), (8, 83245682), (13, 51228112), (16, 41622841), (26, 25614056), (52, 12807028), (104, 6403514), (169, 3940624), (208, 3201757), (338, 1970312), (676, 985156), (1352, 492578), (2704, 246289)]