281035216

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{228113}}^1$

素因数の和:228139

約数の個数: 40

約数和(自身を含む): 678867264

約数和(自身を除く): 397832048

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 228113, 456226, 912452, 1596791, 1824904, 2509243, 3193582, 3649808, 5018486, 6387164, 10036972, 12774328, 17564701, 20073944, 25548656, 35129402, 40147888, 70258804, 140517608, 281035216]

約数ペア:

[(1, 281035216), (2, 140517608), (4, 70258804), (7, 40147888), (8, 35129402), (11, 25548656), (14, 20073944), (16, 17564701), (22, 12774328), (28, 10036972), (44, 6387164), (56, 5018486), (77, 3649808), (88, 3193582), (112, 2509243), (154, 1824904), (176, 1596791), (308, 912452), (616, 456226), (1232, 228113)]