12398555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 16873920

約数和(自身を除く): 4475365

約数列:

[1, 5, 13, 53, 59, 61, 65, 265, 295, 305, 689, 767, 793, 3127, 3233, 3445, 3599, 3835, 3965, 15635, 16165, 17995, 40651, 42029, 46787, 190747, 203255, 210145, 233935, 953735, 2479711, 12398555]

約数ペア:

[(1, 12398555), (5, 2479711), (13, 953735), (53, 233935), (59, 210145), (61, 203255), (65, 190747), (265, 46787), (295, 42029), (305, 40651), (689, 17995), (767, 16165), (793, 15635), (3127, 3965), (3233, 3835), (3445, 3599)]