181222664

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{16427}}^1$

素因数の和:16637

約数の個数: 32

約数和(自身を含む): 390329280

約数和(自身を除く): 209106616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 16427, 32854, 65708, 114989, 131416, 229978, 459956, 919912, 3236119, 6472238, 12944476, 22652833, 25888952, 45305666, 90611332, 181222664]

約数ペア:

[(1, 181222664), (2, 90611332), (4, 45305666), (7, 25888952), (8, 22652833), (14, 12944476), (28, 6472238), (56, 3236119), (197, 919912), (394, 459956), (788, 229978), (1379, 131416), (1576, 114989), (2758, 65708), (5516, 32854), (11032, 16427)]