23439515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 34128864

約数和(自身を除く): 10689349

約数列:

[1, 5, 11, 17, 43, 53, 55, 85, 121, 187, 215, 265, 473, 583, 605, 731, 901, 935, 2057, 2279, 2365, 2915, 3655, 4505, 5203, 6413, 8041, 9911, 10285, 11395, 25069, 26015, 32065, 38743, 40205, 49555, 88451, 109021, 125345, 193715, 275759, 426173, 442255, 545105, 1378795, 2130865, 4687903, 23439515]

約数ペア:

[(1, 23439515), (5, 4687903), (11, 2130865), (17, 1378795), (43, 545105), (53, 442255), (55, 426173), (85, 275759), (121, 193715), (187, 125345), (215, 109021), (265, 88451), (473, 49555), (583, 40205), (605, 38743), (731, 32065), (901, 26015), (935, 25069), (2057, 11395), (2279, 10285), (2365, 9911), (2915, 8041), (3655, 6413), (4505, 5203)]