401039155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4013}}^1$

素因数の和:4131

約数の個数: 32

約数和(自身を含む): 554895360

約数和(自身を除く): 153856205

約数列:

[1, 5, 11, 23, 55, 79, 115, 253, 395, 869, 1265, 1817, 4013, 4345, 9085, 19987, 20065, 44143, 92299, 99935, 220715, 317027, 461495, 1015289, 1585135, 3487297, 5076445, 7291621, 17436485, 36458105, 80207831, 401039155]

約数ペア:

[(1, 401039155), (5, 80207831), (11, 36458105), (23, 17436485), (55, 7291621), (79, 5076445), (115, 3487297), (253, 1585135), (395, 1015289), (869, 461495), (1265, 317027), (1817, 220715), (4013, 99935), (4345, 92299), (9085, 44143), (19987, 20065)]