638568325

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 808374600

約数和(自身を除く): 169806275

約数列:

[1, 5, 25, 89, 109, 445, 545, 2225, 2633, 2725, 9701, 13165, 48505, 65825, 234337, 242525, 286997, 1171685, 1434985, 5858425, 7174925, 25542733, 127713665, 638568325]

約数ペア:

[(1, 638568325), (5, 127713665), (25, 25542733), (89, 7174925), (109, 5858425), (445, 1434985), (545, 1171685), (2225, 286997), (2633, 242525), (2725, 234337), (9701, 65825), (13165, 48505)]