2156245286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{256757}}^1$

素因数の和:256808

約数の個数: 32

約数和(自身を含む): 3882180960

約数和(自身を除く): 1725935674

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 4199, 8398, 256757, 513514, 3337841, 4364869, 4878383, 6675682, 8729738, 9756766, 56743297, 63418979, 82932511, 113486594, 126837958, 165865022, 1078122643, 2156245286]

約数ペア:

[(1, 2156245286), (2, 1078122643), (13, 165865022), (17, 126837958), (19, 113486594), (26, 82932511), (34, 63418979), (38, 56743297), (221, 9756766), (247, 8729738), (323, 6675682), (442, 4878383), (494, 4364869), (646, 3337841), (4199, 513514), (8398, 256757)]