28217748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{180883}}^1$

素因数の和:180903

約数の個数: 24

約数和(自身を含む): 70906528

約数和(自身を除く): 42688780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 180883, 361766, 542649, 723532, 1085298, 2170596, 2351479, 4702958, 7054437, 9405916, 14108874, 28217748]

約数ペア:

[(1, 28217748), (2, 14108874), (3, 9405916), (4, 7054437), (6, 4702958), (12, 2351479), (13, 2170596), (26, 1085298), (39, 723532), (52, 542649), (78, 361766), (156, 180883)]