890351995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{11839}}^1$

素因数の和:11959

約数の個数: 24

約数和(自身を含む): 1170028800

約数和(自身を除く): 279676805

約数列:

[1, 5, 13, 65, 89, 169, 445, 845, 1157, 5785, 11839, 15041, 59195, 75205, 153907, 769535, 1053671, 2000791, 5268355, 10003955, 13697723, 68488615, 178070399, 890351995]

約数ペア:

[(1, 890351995), (5, 178070399), (13, 68488615), (65, 13697723), (89, 10003955), (169, 5268355), (445, 2000791), (845, 1053671), (1157, 769535), (5785, 153907), (11839, 75205), (15041, 59195)]