81257166

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 179931024

約数和(自身を除く): 98673858

約数列:

[1, 2, 3, 6, 9, 18, 83, 137, 166, 249, 274, 397, 411, 498, 747, 794, 822, 1191, 1233, 1494, 2382, 2466, 3573, 7146, 11371, 22742, 32951, 34113, 54389, 65902, 68226, 98853, 102339, 108778, 163167, 197706, 204678, 296559, 326334, 489501, 593118, 979002, 4514287, 9028574, 13542861, 27085722, 40628583, 81257166]

約数ペア:

[(1, 81257166), (2, 40628583), (3, 27085722), (6, 13542861), (9, 9028574), (18, 4514287), (83, 979002), (137, 593118), (166, 489501), (249, 326334), (274, 296559), (397, 204678), (411, 197706), (498, 163167), (747, 108778), (794, 102339), (822, 98853), (1191, 68226), (1233, 65902), (1494, 54389), (2382, 34113), (2466, 32951), (3573, 22742), (7146, 11371)]