28464228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{60821}}^1$

素因数の和:60844

約数の個数: 36

約数和(自身を含む): 77487228

約数和(自身を除く): 49023000

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 60821, 121642, 182463, 243284, 364926, 547389, 729852, 790673, 1094778, 1581346, 2189556, 2372019, 3162692, 4744038, 7116057, 9488076, 14232114, 28464228]

約数ペア:

[(1, 28464228), (2, 14232114), (3, 9488076), (4, 7116057), (6, 4744038), (9, 3162692), (12, 2372019), (13, 2189556), (18, 1581346), (26, 1094778), (36, 790673), (39, 729852), (52, 547389), (78, 364926), (117, 243284), (156, 182463), (234, 121642), (468, 60821)]