548021255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 696384000

約数和(自身を除く): 148362745

約数列:

[1, 5, 31, 61, 149, 155, 305, 389, 745, 1891, 1945, 4619, 9089, 9455, 12059, 23095, 23729, 45445, 57961, 60295, 118645, 281759, 289805, 735599, 1408795, 1796791, 3535621, 3677995, 8983955, 17678105, 109604251, 548021255]

約数ペア:

[(1, 548021255), (5, 109604251), (31, 17678105), (61, 8983955), (149, 3677995), (155, 3535621), (305, 1796791), (389, 1408795), (745, 735599), (1891, 289805), (1945, 281759), (4619, 118645), (9089, 60295), (9455, 57961), (12059, 45445), (23095, 23729)]