28684474

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 57286656

約数和(自身を除く): 28602182

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 73, 91, 119, 127, 146, 182, 221, 238, 254, 442, 511, 889, 949, 1022, 1241, 1547, 1651, 1778, 1898, 2159, 2482, 3094, 3302, 4318, 6643, 8687, 9271, 11557, 13286, 15113, 16133, 17374, 18542, 23114, 28067, 30226, 32266, 56134, 64897, 112931, 120523, 129794, 157607, 196469, 225862, 241046, 315214, 392938, 843661, 1103249, 1687322, 2048891, 2206498, 4097782, 14342237, 28684474]

約数ペア:

[(1, 28684474), (2, 14342237), (7, 4097782), (13, 2206498), (14, 2048891), (17, 1687322), (26, 1103249), (34, 843661), (73, 392938), (91, 315214), (119, 241046), (127, 225862), (146, 196469), (182, 157607), (221, 129794), (238, 120523), (254, 112931), (442, 64897), (511, 56134), (889, 32266), (949, 30226), (1022, 28067), (1241, 23114), (1547, 18542), (1651, 17374), (1778, 16133), (1898, 15113), (2159, 13286), (2482, 11557), (3094, 9271), (3302, 8687), (4318, 6643)]