28630706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19269454

約数列:

[1, 2, 13, 26, 53, 79, 106, 158, 263, 526, 689, 1027, 1378, 2054, 3419, 4187, 6838, 8374, 13939, 20777, 27878, 41554, 54431, 108862, 181207, 270101, 362414, 540202, 1101181, 2202362, 14315353, 28630706]

約数ペア:

[(1, 28630706), (2, 14315353), (13, 2202362), (26, 1101181), (53, 540202), (79, 362414), (106, 270101), (158, 181207), (263, 108862), (526, 54431), (689, 41554), (1027, 27878), (1378, 20777), (2054, 13939), (3419, 8374), (4187, 6838)]