257788232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2293}}^1$

素因数の和:2382

約数の個数: 64

約数和(自身を含む): 554964480

約数和(自身を除く): 297176248

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 47, 52, 92, 94, 104, 184, 188, 299, 376, 598, 611, 1081, 1196, 1222, 2162, 2293, 2392, 2444, 4324, 4586, 4888, 8648, 9172, 14053, 18344, 28106, 29809, 52739, 56212, 59618, 105478, 107771, 112424, 119236, 210956, 215542, 238472, 421912, 431084, 685607, 862168, 1371214, 1401023, 2478733, 2742428, 2802046, 4957466, 5484856, 5604092, 9914932, 11208184, 19829864, 32223529, 64447058, 128894116, 257788232]

約数ペア:

[(1, 257788232), (2, 128894116), (4, 64447058), (8, 32223529), (13, 19829864), (23, 11208184), (26, 9914932), (46, 5604092), (47, 5484856), (52, 4957466), (92, 2802046), (94, 2742428), (104, 2478733), (184, 1401023), (188, 1371214), (299, 862168), (376, 685607), (598, 431084), (611, 421912), (1081, 238472), (1196, 215542), (1222, 210956), (2162, 119236), (2293, 112424), (2392, 107771), (2444, 105478), (4324, 59618), (4586, 56212), (4888, 52739), (8648, 29809), (9172, 28106), (14053, 18344)]