81115664

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31489}}^1$

素因数の和:31527

約数の個数: 40

約数和(自身を含む): 187428480

約数和(自身を除く): 106312816

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 31489, 62978, 125956, 220423, 251912, 440846, 503824, 724247, 881692, 1448494, 1763384, 2896988, 3526768, 5069729, 5793976, 10139458, 11587952, 20278916, 40557832, 81115664]

約数ペア:

[(1, 81115664), (2, 40557832), (4, 20278916), (7, 11587952), (8, 10139458), (14, 5793976), (16, 5069729), (23, 3526768), (28, 2896988), (46, 1763384), (56, 1448494), (92, 881692), (112, 724247), (161, 503824), (184, 440846), (322, 251912), (368, 220423), (644, 125956), (1288, 62978), (2576, 31489)]