71986849

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 83613600

約数和(自身を除く): 11626751

約数列:

[1, 11, 23, 89, 139, 253, 529, 979, 1529, 2047, 3197, 5819, 12371, 22517, 35167, 47081, 73531, 136081, 284533, 517891, 808841, 3129863, 6544259, 71986849]

約数ペア:

[(1, 71986849), (11, 6544259), (23, 3129863), (89, 808841), (139, 517891), (253, 284533), (529, 136081), (979, 73531), (1529, 47081), (2047, 35167), (3197, 22517), (5819, 12371)]