77887910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 145605600

約数和(自身を除く): 67717690

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 419, 641, 838, 1282, 2095, 3205, 4190, 6410, 12151, 18589, 24302, 37178, 60755, 92945, 121510, 185890, 268579, 537158, 1342895, 2685790, 7788791, 15577582, 38943955, 77887910]

約数ペア:

[(1, 77887910), (2, 38943955), (5, 15577582), (10, 7788791), (29, 2685790), (58, 1342895), (145, 537158), (290, 268579), (419, 185890), (641, 121510), (838, 92945), (1282, 60755), (2095, 37178), (3205, 24302), (4190, 18589), (6410, 12151)]