78405886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 131191200

約数和(自身を除く): 52785314

約数列:

[1, 2, 13, 26, 37, 74, 149, 298, 481, 547, 962, 1094, 1937, 3874, 5513, 7111, 11026, 14222, 20239, 40478, 71669, 81503, 143338, 163006, 263107, 526214, 1059539, 2119078, 3015611, 6031222, 39202943, 78405886]

約数ペア:

[(1, 78405886), (2, 39202943), (13, 6031222), (26, 3015611), (37, 2119078), (74, 1059539), (149, 526214), (298, 263107), (481, 163006), (547, 143338), (962, 81503), (1094, 71669), (1937, 40478), (3874, 20239), (5513, 14222), (7111, 11026)]