28130856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90163}}^1$

素因数の和:90185

約数の個数: 32

約数和(自身を含む): 75737760

約数和(自身を除く): 47606904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90163, 180326, 270489, 360652, 540978, 721304, 1081956, 1172119, 2163912, 2344238, 3516357, 4688476, 7032714, 9376952, 14065428, 28130856]

約数ペア:

[(1, 28130856), (2, 14065428), (3, 9376952), (4, 7032714), (6, 4688476), (8, 3516357), (12, 2344238), (13, 2163912), (24, 1172119), (26, 1081956), (39, 721304), (52, 540978), (78, 360652), (104, 270489), (156, 180326), (312, 90163)]