218338825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4937}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 284725080

約数和(自身を除く): 66386255

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 4937, 8845, 24685, 44225, 123425, 143173, 301157, 715865, 1505785, 3579325, 7528925, 8733553, 43667765, 218338825]

約数ペア:

[(1, 218338825), (5, 43667765), (25, 8733553), (29, 7528925), (61, 3579325), (145, 1505785), (305, 715865), (725, 301157), (1525, 143173), (1769, 123425), (4937, 44225), (8845, 24685)]