28406808

素因数分解:

$2^3\times 3^3\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 79344000

約数和(自身を除く): 50937192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 347, 379, 694, 758, 1041, 1137, 1388, 1516, 2082, 2274, 2776, 3032, 3123, 3411, 4164, 4548, 6246, 6822, 8328, 9096, 9369, 10233, 12492, 13644, 18738, 20466, 24984, 27288, 37476, 40932, 74952, 81864, 131513, 263026, 394539, 526052, 789078, 1052104, 1183617, 1578156, 2367234, 3156312, 3550851, 4734468, 7101702, 9468936, 14203404, 28406808]

約数ペア:

[(1, 28406808), (2, 14203404), (3, 9468936), (4, 7101702), (6, 4734468), (8, 3550851), (9, 3156312), (12, 2367234), (18, 1578156), (24, 1183617), (27, 1052104), (36, 789078), (54, 526052), (72, 394539), (108, 263026), (216, 131513), (347, 81864), (379, 74952), (694, 40932), (758, 37476), (1041, 27288), (1137, 24984), (1388, 20466), (1516, 18738), (2082, 13644), (2274, 12492), (2776, 10233), (3032, 9369), (3123, 9096), (3411, 8328), (4164, 6822), (4548, 6246)]