28540304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 60954432

約数和(自身を除く): 32414128

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 3191, 4472, 6382, 8944, 12764, 25528, 41483, 51056, 82966, 137213, 165932, 274426, 331864, 548852, 663728, 1097704, 1783769, 2195408, 3567538, 7135076, 14270152, 28540304]

約数ペア:

[(1, 28540304), (2, 14270152), (4, 7135076), (8, 3567538), (13, 2195408), (16, 1783769), (26, 1097704), (43, 663728), (52, 548852), (86, 331864), (104, 274426), (172, 165932), (208, 137213), (344, 82966), (559, 51056), (688, 41483), (1118, 25528), (2236, 12764), (3191, 8944), (4472, 6382)]