68928013

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4787}}^1$

素因数の和:4833

約数の個数: 24

約数和(自身を含む): 91699776

約数和(自身を除く): 22771763

約数列:

[1, 7, 11, 17, 77, 119, 121, 187, 847, 1309, 2057, 4787, 14399, 33509, 52657, 81379, 368599, 569653, 579227, 895169, 4054589, 6266183, 9846859, 68928013]

約数ペア:

[(1, 68928013), (7, 9846859), (11, 6266183), (17, 4054589), (77, 895169), (119, 579227), (121, 569653), (187, 368599), (847, 81379), (1309, 52657), (2057, 33509), (4787, 14399)]