65005705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 88397568

約数和(自身を除く): 23391863

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 811, 943, 1955, 3485, 4055, 4715, 13787, 16031, 18653, 33251, 68935, 80155, 93265, 166255, 317101, 565267, 764773, 1585505, 2826335, 3823865, 13001141, 65005705]

約数ペア:

[(1, 65005705), (5, 13001141), (17, 3823865), (23, 2826335), (41, 1585505), (85, 764773), (115, 565267), (205, 317101), (391, 166255), (697, 93265), (811, 80155), (943, 68935), (1955, 33251), (3485, 18653), (4055, 16031), (4715, 13787)]