68109448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 142490880

約数和(自身を除く): 74381432

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 121, 142, 242, 284, 484, 568, 781, 968, 991, 1562, 1982, 3124, 3964, 6248, 7928, 8591, 10901, 17182, 21802, 34364, 43604, 68728, 70361, 87208, 119911, 140722, 239822, 281444, 479644, 562888, 773971, 959288, 1547942, 3095884, 6191768, 8513681, 17027362, 34054724, 68109448]

約数ペア:

[(1, 68109448), (2, 34054724), (4, 17027362), (8, 8513681), (11, 6191768), (22, 3095884), (44, 1547942), (71, 959288), (88, 773971), (121, 562888), (142, 479644), (242, 281444), (284, 239822), (484, 140722), (568, 119911), (781, 87208), (968, 70361), (991, 68728), (1562, 43604), (1982, 34364), (3124, 21802), (3964, 17182), (6248, 10901), (7928, 8591)]