131897555

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 167935680

約数和(自身を除く): 36038125

約数列:

[1, 5, 43, 61, 89, 113, 215, 305, 445, 565, 2623, 3827, 4859, 5429, 6893, 10057, 13115, 19135, 24295, 27145, 34465, 50285, 233447, 296399, 432451, 613477, 1167235, 1481995, 2162255, 3067385, 26379511, 131897555]

約数ペア:

[(1, 131897555), (5, 26379511), (43, 3067385), (61, 2162255), (89, 1481995), (113, 1167235), (215, 613477), (305, 432451), (445, 296399), (565, 233447), (2623, 50285), (3827, 34465), (4859, 27145), (5429, 24295), (6893, 19135), (10057, 13115)]