81344562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 182138880

約数和(自身を除く): 100794318

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 79, 86, 129, 158, 237, 258, 307, 474, 559, 614, 921, 1027, 1118, 1677, 1842, 2054, 3081, 3354, 3397, 3991, 6162, 6794, 7982, 10191, 11973, 13201, 20382, 23946, 24253, 26402, 39603, 44161, 48506, 72759, 79206, 88322, 132483, 145518, 171613, 264966, 315289, 343226, 514839, 630578, 945867, 1029678, 1042879, 1891734, 2085758, 3128637, 6257274, 13557427, 27114854, 40672281, 81344562]

約数ペア:

[(1, 81344562), (2, 40672281), (3, 27114854), (6, 13557427), (13, 6257274), (26, 3128637), (39, 2085758), (43, 1891734), (78, 1042879), (79, 1029678), (86, 945867), (129, 630578), (158, 514839), (237, 343226), (258, 315289), (307, 264966), (474, 171613), (559, 145518), (614, 132483), (921, 88322), (1027, 79206), (1118, 72759), (1677, 48506), (1842, 44161), (2054, 39603), (3081, 26402), (3354, 24253), (3397, 23946), (3991, 20382), (6162, 13201), (6794, 11973), (7982, 10191)]