80721492

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{156437}}^1$

素因数の和:156487

約数の個数: 24

約数和(自身を含む): 192731616

約数和(自身を除く): 112010124

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 156437, 312874, 469311, 625748, 938622, 1877244, 6726791, 13453582, 20180373, 26907164, 40360746, 80721492]

約数ペア:

[(1, 80721492), (2, 40360746), (3, 26907164), (4, 20180373), (6, 13453582), (12, 6726791), (43, 1877244), (86, 938622), (129, 625748), (172, 469311), (258, 312874), (516, 156437)]