256545588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:733

約数の個数: 96

約数和(自身を含む): 679182336

約数和(自身を除く): 422636748

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 127, 138, 156, 254, 276, 299, 381, 508, 563, 598, 762, 897, 1126, 1196, 1524, 1651, 1689, 1794, 2252, 2921, 3302, 3378, 3588, 4953, 5842, 6604, 6756, 7319, 8763, 9906, 11684, 12949, 14638, 17526, 19812, 21957, 25898, 29276, 35052, 37973, 38847, 43914, 51796, 71501, 75946, 77694, 87828, 113919, 143002, 151892, 155388, 168337, 214503, 227838, 286004, 336674, 429006, 455676, 505011, 673348, 858012, 929513, 1010022, 1644523, 1859026, 2020044, 2788539, 3289046, 3718052, 4933569, 5577078, 6578092, 9867138, 11154156, 19734276, 21378799, 42757598, 64136397, 85515196, 128272794, 256545588]

約数ペア:

[(1, 256545588), (2, 128272794), (3, 85515196), (4, 64136397), (6, 42757598), (12, 21378799), (13, 19734276), (23, 11154156), (26, 9867138), (39, 6578092), (46, 5577078), (52, 4933569), (69, 3718052), (78, 3289046), (92, 2788539), (127, 2020044), (138, 1859026), (156, 1644523), (254, 1010022), (276, 929513), (299, 858012), (381, 673348), (508, 505011), (563, 455676), (598, 429006), (762, 336674), (897, 286004), (1126, 227838), (1196, 214503), (1524, 168337), (1651, 155388), (1689, 151892), (1794, 143002), (2252, 113919), (2921, 87828), (3302, 77694), (3378, 75946), (3588, 71501), (4953, 51796), (5842, 43914), (6604, 38847), (6756, 37973), (7319, 35052), (8763, 29276), (9906, 25898), (11684, 21957), (12949, 19812), (14638, 17526)]