28389572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3851}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 52849440

約数和(自身を除く): 24459868

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 3686, 3851, 7372, 7702, 15404, 73169, 146338, 292676, 373547, 747094, 1494188, 7097393, 14194786, 28389572]

約数ペア:

[(1, 28389572), (2, 14194786), (4, 7097393), (19, 1494188), (38, 747094), (76, 373547), (97, 292676), (194, 146338), (388, 73169), (1843, 15404), (3686, 7702), (3851, 7372)]