28897992

素因数分解:

$2^3\times 3^3\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 80712000

約数和(自身を除く): 51814008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 353, 379, 706, 758, 1059, 1137, 1412, 1516, 2118, 2274, 2824, 3032, 3177, 3411, 4236, 4548, 6354, 6822, 8472, 9096, 9531, 10233, 12708, 13644, 19062, 20466, 25416, 27288, 38124, 40932, 76248, 81864, 133787, 267574, 401361, 535148, 802722, 1070296, 1204083, 1605444, 2408166, 3210888, 3612249, 4816332, 7224498, 9632664, 14448996, 28897992]

約数ペア:

[(1, 28897992), (2, 14448996), (3, 9632664), (4, 7224498), (6, 4816332), (8, 3612249), (9, 3210888), (12, 2408166), (18, 1605444), (24, 1204083), (27, 1070296), (36, 802722), (54, 535148), (72, 401361), (108, 267574), (216, 133787), (353, 81864), (379, 76248), (706, 40932), (758, 38124), (1059, 27288), (1137, 25416), (1412, 20466), (1516, 19062), (2118, 13644), (2274, 12708), (2824, 10233), (3032, 9531), (3177, 9096), (3411, 8472), (4236, 6822), (4548, 6354)]