77891390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{6551}}^1$

素因数の和:6628

約数の個数: 32

約数和(自身を含む): 148599360

約数和(自身を除く): 70707970

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 2378, 5945, 6551, 11890, 13102, 32755, 65510, 189979, 268591, 379958, 537182, 949895, 1342955, 1899790, 2685910, 7789139, 15578278, 38945695, 77891390]

約数ペア:

[(1, 77891390), (2, 38945695), (5, 15578278), (10, 7789139), (29, 2685910), (41, 1899790), (58, 1342955), (82, 949895), (145, 537182), (205, 379958), (290, 268591), (410, 189979), (1189, 65510), (2378, 32755), (5945, 13102), (6551, 11890)]