8721284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 18251520

約数和(自身を除く): 9530236

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 193, 286, 316, 386, 572, 772, 869, 1027, 1738, 2054, 2123, 2509, 3476, 4108, 4246, 5018, 8492, 10036, 11297, 15247, 22594, 27599, 30494, 45188, 55198, 60988, 110396, 167717, 198211, 335434, 396422, 670868, 792844, 2180321, 4360642, 8721284]

約数ペア:

[(1, 8721284), (2, 4360642), (4, 2180321), (11, 792844), (13, 670868), (22, 396422), (26, 335434), (44, 198211), (52, 167717), (79, 110396), (143, 60988), (158, 55198), (193, 45188), (286, 30494), (316, 27599), (386, 22594), (572, 15247), (772, 11297), (869, 10036), (1027, 8492), (1738, 5018), (2054, 4246), (2123, 4108), (2509, 3476)]