28921752

素因数分解:

$2^3\times 3^3\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 80805600

約数和(自身を除く): 51883848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 257, 514, 521, 771, 1028, 1042, 1542, 1563, 2056, 2084, 2313, 3084, 3126, 4168, 4626, 4689, 6168, 6252, 6939, 9252, 9378, 12504, 13878, 14067, 18504, 18756, 27756, 28134, 37512, 55512, 56268, 112536, 133897, 267794, 401691, 535588, 803382, 1071176, 1205073, 1606764, 2410146, 3213528, 3615219, 4820292, 7230438, 9640584, 14460876, 28921752]

約数ペア:

[(1, 28921752), (2, 14460876), (3, 9640584), (4, 7230438), (6, 4820292), (8, 3615219), (9, 3213528), (12, 2410146), (18, 1606764), (24, 1205073), (27, 1071176), (36, 803382), (54, 535588), (72, 401691), (108, 267794), (216, 133897), (257, 112536), (514, 56268), (521, 55512), (771, 37512), (1028, 28134), (1042, 27756), (1542, 18756), (1563, 18504), (2056, 14067), (2084, 13878), (2313, 12504), (3084, 9378), (3126, 9252), (4168, 6939), (4626, 6252), (4689, 6168)]