28388712

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 77967360

約数和(自身を除く): 49578648

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 191, 264, 382, 563, 573, 764, 1126, 1146, 1528, 1689, 2101, 2252, 2292, 3378, 4202, 4504, 4584, 6193, 6303, 6756, 8404, 12386, 12606, 13512, 16808, 18579, 24772, 25212, 37158, 49544, 50424, 74316, 107533, 148632, 215066, 322599, 430132, 645198, 860264, 1182863, 1290396, 2365726, 2580792, 3548589, 4731452, 7097178, 9462904, 14194356, 28388712]

約数ペア:

[(1, 28388712), (2, 14194356), (3, 9462904), (4, 7097178), (6, 4731452), (8, 3548589), (11, 2580792), (12, 2365726), (22, 1290396), (24, 1182863), (33, 860264), (44, 645198), (66, 430132), (88, 322599), (132, 215066), (191, 148632), (264, 107533), (382, 74316), (563, 50424), (573, 49544), (764, 37158), (1126, 25212), (1146, 24772), (1528, 18579), (1689, 16808), (2101, 13512), (2252, 12606), (2292, 12386), (3378, 8404), (4202, 6756), (4504, 6303), (4584, 6193)]