28409778

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1288

約数の個数: 40

約数和(自身を含む): 64121772

約数和(自身を除く): 35711994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1117, 1413, 2234, 2826, 3351, 4239, 6702, 8478, 10053, 12717, 20106, 25434, 30159, 60318, 90477, 175369, 180954, 350738, 526107, 1052214, 1578321, 3156642, 4734963, 9469926, 14204889, 28409778]

約数ペア:

[(1, 28409778), (2, 14204889), (3, 9469926), (6, 4734963), (9, 3156642), (18, 1578321), (27, 1052214), (54, 526107), (81, 350738), (157, 180954), (162, 175369), (314, 90477), (471, 60318), (942, 30159), (1117, 25434), (1413, 20106), (2234, 12717), (2826, 10053), (3351, 8478), (4239, 6702)]