66646138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 110799360

約数和(自身を除く): 44153222

約数列:

[1, 2, 13, 26, 71, 79, 142, 158, 457, 914, 923, 1027, 1846, 2054, 5609, 5941, 11218, 11882, 32447, 36103, 64894, 72206, 72917, 145834, 421811, 469339, 843622, 938678, 2563313, 5126626, 33323069, 66646138]

約数ペア:

[(1, 66646138), (2, 33323069), (13, 5126626), (26, 2563313), (71, 938678), (79, 843622), (142, 469339), (158, 421811), (457, 145834), (914, 72917), (923, 72206), (1027, 64894), (1846, 36103), (2054, 32447), (5609, 11882), (5941, 11218)]