28695550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 58090032

約数和(自身を除く): 29394482

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 131, 262, 325, 337, 650, 655, 674, 1310, 1685, 1703, 3275, 3370, 3406, 4381, 6550, 8425, 8515, 8762, 16850, 17030, 21905, 42575, 43810, 44147, 85150, 88294, 109525, 219050, 220735, 441470, 573911, 1103675, 1147822, 2207350, 2869555, 5739110, 14347775, 28695550]

約数ペア:

[(1, 28695550), (2, 14347775), (5, 5739110), (10, 2869555), (13, 2207350), (25, 1147822), (26, 1103675), (50, 573911), (65, 441470), (130, 220735), (131, 219050), (262, 109525), (325, 88294), (337, 85150), (650, 44147), (655, 43810), (674, 42575), (1310, 21905), (1685, 17030), (1703, 16850), (3275, 8762), (3370, 8515), (3406, 8425), (4381, 6550)]