28129428

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2971}}^1$

素因数の和:3244

約数の個数: 36

約数和(自身を含む): 71399328

約数和(自身を除く): 43269900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2367, 2971, 3156, 4734, 5942, 8913, 9468, 11884, 17826, 26739, 35652, 53478, 106956, 781373, 1562746, 2344119, 3125492, 4688238, 7032357, 9376476, 14064714, 28129428]

約数ペア:

[(1, 28129428), (2, 14064714), (3, 9376476), (4, 7032357), (6, 4688238), (9, 3125492), (12, 2344119), (18, 1562746), (36, 781373), (263, 106956), (526, 53478), (789, 35652), (1052, 26739), (1578, 17826), (2367, 11884), (2971, 9468), (3156, 8913), (4734, 5942)]