81969576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262723}}^1$

素因数の和:262745

約数の個数: 32

約数和(自身を含む): 220688160

約数和(自身を除く): 138718584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 262723, 525446, 788169, 1050892, 1576338, 2101784, 3152676, 3415399, 6305352, 6830798, 10246197, 13661596, 20492394, 27323192, 40984788, 81969576]

約数ペア:

[(1, 81969576), (2, 40984788), (3, 27323192), (4, 20492394), (6, 13661596), (8, 10246197), (12, 6830798), (13, 6305352), (24, 3415399), (26, 3152676), (39, 2101784), (52, 1576338), (78, 1050892), (104, 788169), (156, 525446), (312, 262723)]