65449225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 83967840

約数和(自身を除く): 18518615

約数列:

[1, 5, 25, 43, 107, 215, 535, 569, 1075, 2675, 2845, 4601, 14225, 23005, 24467, 60883, 115025, 122335, 304415, 611675, 1522075, 2617969, 13089845, 65449225]

約数ペア:

[(1, 65449225), (5, 13089845), (25, 2617969), (43, 1522075), (107, 611675), (215, 304415), (535, 122335), (569, 115025), (1075, 60883), (2675, 24467), (2845, 23005), (4601, 14225)]