28409836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78049}}^1$

素因数の和:78073

約数の個数: 24

約数和(自身を含む): 61191200

約数和(自身を除く): 32781364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78049, 156098, 312196, 546343, 1014637, 1092686, 2029274, 2185372, 4058548, 7102459, 14204918, 28409836]

約数ペア:

[(1, 28409836), (2, 14204918), (4, 7102459), (7, 4058548), (13, 2185372), (14, 2029274), (26, 1092686), (28, 1014637), (52, 546343), (91, 312196), (182, 156098), (364, 78049)]