22591985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 30602880

約数和(自身を除く): 8010895

約数列:

[1, 5, 13, 43, 59, 65, 137, 215, 295, 559, 685, 767, 1781, 2537, 2795, 3835, 5891, 8083, 8905, 12685, 29455, 32981, 40415, 76583, 105079, 164905, 347569, 382915, 525395, 1737845, 4518397, 22591985]

約数ペア:

[(1, 22591985), (5, 4518397), (13, 1737845), (43, 525395), (59, 382915), (65, 347569), (137, 164905), (215, 105079), (295, 76583), (559, 40415), (685, 32981), (767, 29455), (1781, 12685), (2537, 8905), (2795, 8083), (3835, 5891)]