28371772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 58861152

約数和(自身を除く): 30489380

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 193, 257, 286, 386, 514, 572, 772, 1028, 2123, 2509, 2827, 3341, 4246, 5018, 5654, 6682, 8492, 10036, 11308, 13364, 27599, 36751, 49601, 55198, 73502, 99202, 110396, 147004, 198404, 545611, 644813, 1091222, 1289626, 2182444, 2579252, 7092943, 14185886, 28371772]

約数ペア:

[(1, 28371772), (2, 14185886), (4, 7092943), (11, 2579252), (13, 2182444), (22, 1289626), (26, 1091222), (44, 644813), (52, 545611), (143, 198404), (193, 147004), (257, 110396), (286, 99202), (386, 73502), (514, 55198), (572, 49601), (772, 36751), (1028, 27599), (2123, 13364), (2509, 11308), (2827, 10036), (3341, 8492), (4246, 6682), (5018, 5654)]