28655458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 50694336

約数和(自身を除く): 22038878

約数列:

[1, 2, 13, 19, 26, 38, 43, 71, 86, 142, 247, 361, 494, 559, 722, 817, 923, 1118, 1349, 1634, 1846, 2698, 3053, 4693, 6106, 9386, 10621, 15523, 17537, 21242, 25631, 31046, 35074, 39689, 51262, 58007, 79378, 116014, 201799, 333203, 403598, 666406, 754091, 1102133, 1508182, 2204266, 14327729, 28655458]

約数ペア:

[(1, 28655458), (2, 14327729), (13, 2204266), (19, 1508182), (26, 1102133), (38, 754091), (43, 666406), (71, 403598), (86, 333203), (142, 201799), (247, 116014), (361, 79378), (494, 58007), (559, 51262), (722, 39689), (817, 35074), (923, 31046), (1118, 25631), (1349, 21242), (1634, 17537), (1846, 15523), (2698, 10621), (3053, 9386), (4693, 6106)]