664202275

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{19961}}^1$

素因数の和:20004

約数の個数: 24

約数和(自身を含む): 905955408

約数和(自身を除く): 241753133

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 1331, 3025, 6655, 19961, 33275, 99805, 219571, 499025, 1097855, 2415281, 5489275, 12076405, 26568091, 60382025, 132840455, 664202275]

約数ペア:

[(1, 664202275), (5, 132840455), (11, 60382025), (25, 26568091), (55, 12076405), (121, 5489275), (275, 2415281), (605, 1097855), (1331, 499025), (3025, 219571), (6655, 99805), (19961, 33275)]