64381075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{21283}}^1$

素因数の和:21315

約数の個数: 18

約数和(自身を含む): 87753932

約数和(自身を除く): 23372857

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 21283, 106415, 234113, 532075, 1170565, 2575243, 5852825, 12876215, 64381075]

約数ペア:

[(1, 64381075), (5, 12876215), (11, 5852825), (25, 2575243), (55, 1170565), (121, 532075), (275, 234113), (605, 106415), (3025, 21283)]