78431724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{311237}}^1$

素因数の和:311254

約数の個数: 36

約数和(自身を含む): 226581264

約数和(自身を除く): 148149540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 311237, 622474, 933711, 1244948, 1867422, 2178659, 2801133, 3734844, 4357318, 5602266, 6535977, 8714636, 11204532, 13071954, 19607931, 26143908, 39215862, 78431724]

約数ペア:

[(1, 78431724), (2, 39215862), (3, 26143908), (4, 19607931), (6, 13071954), (7, 11204532), (9, 8714636), (12, 6535977), (14, 5602266), (18, 4357318), (21, 3734844), (28, 2801133), (36, 2178659), (42, 1867422), (63, 1244948), (84, 933711), (126, 622474), (252, 311237)]