661156559

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 784542528

約数和(自身を除く): 123385969

約数列:

[1, 7, 49, 97, 113, 679, 791, 1231, 4753, 5537, 8617, 10961, 60319, 76727, 119407, 139103, 537089, 835849, 973721, 5850943, 6816047, 13492991, 94450937, 661156559]

約数ペア:

[(1, 661156559), (7, 94450937), (49, 13492991), (97, 6816047), (113, 5850943), (679, 973721), (791, 835849), (1231, 537089), (4753, 139103), (5537, 119407), (8617, 76727), (10961, 60319)]