1285497775

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{11689}}^1$

素因数の和:11835

約数の個数: 24

約数和(自身を含む): 1643801040

約数和(自身を除く): 358303265

約数列:

[1, 5, 25, 53, 83, 265, 415, 1325, 2075, 4399, 11689, 21995, 58445, 109975, 292225, 619517, 970187, 3097585, 4850935, 15487925, 24254675, 51419911, 257099555, 1285497775]

約数ペア:

[(1, 1285497775), (5, 257099555), (25, 51419911), (53, 24254675), (83, 15487925), (265, 4850935), (415, 3097585), (1325, 970187), (2075, 619517), (4399, 292225), (11689, 109975), (21995, 58445)]