81229654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 135717120

約数和(自身を除く): 54487466

約数列:

[1, 2, 11, 22, 101, 139, 202, 263, 278, 526, 1111, 1529, 2222, 2893, 3058, 5786, 14039, 26563, 28078, 36557, 53126, 73114, 154429, 292193, 308858, 402127, 584386, 804254, 3692257, 7384514, 40614827, 81229654]

約数ペア:

[(1, 81229654), (2, 40614827), (11, 7384514), (22, 3692257), (101, 804254), (139, 584386), (202, 402127), (263, 308858), (278, 292193), (526, 154429), (1111, 73114), (1529, 53126), (2222, 36557), (2893, 28078), (3058, 26563), (5786, 14039)]