68639428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{10909}}^1$

素因数の和:10948

約数の個数: 36

約数和(自身を含む): 142200940

約数和(自身を除く): 73561512

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 6292, 10909, 21818, 43636, 119999, 141817, 239998, 283634, 479996, 567268, 1319989, 1559987, 2639978, 3119974, 5279956, 6239948, 17159857, 34319714, 68639428]

約数ペア:

[(1, 68639428), (2, 34319714), (4, 17159857), (11, 6239948), (13, 5279956), (22, 3119974), (26, 2639978), (44, 1559987), (52, 1319989), (121, 567268), (143, 479996), (242, 283634), (286, 239998), (484, 141817), (572, 119999), (1573, 43636), (3146, 21818), (6292, 10909)]