22018975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 31169880

約数和(自身を除く): 9150905

約数列:

[1, 5, 11, 25, 29, 55, 121, 145, 251, 275, 319, 605, 725, 1255, 1595, 2761, 3025, 3509, 6275, 7279, 7975, 13805, 17545, 30371, 36395, 69025, 80069, 87725, 151855, 181975, 400345, 759275, 880759, 2001725, 4403795, 22018975]

約数ペア:

[(1, 22018975), (5, 4403795), (11, 2001725), (25, 880759), (29, 759275), (55, 400345), (121, 181975), (145, 151855), (251, 87725), (275, 80069), (319, 69025), (605, 36395), (725, 30371), (1255, 17545), (1595, 13805), (2761, 7975), (3025, 7279), (3509, 6275)]