81336530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38917}}^1$

素因数の和:38954

約数の個数: 32

約数和(自身を含む): 168125760

約数和(自身を除く): 86789230

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 38917, 77834, 194585, 389170, 428087, 739423, 856174, 1478846, 2140435, 3697115, 4280870, 7394230, 8133653, 16267306, 40668265, 81336530]

約数ペア:

[(1, 81336530), (2, 40668265), (5, 16267306), (10, 8133653), (11, 7394230), (19, 4280870), (22, 3697115), (38, 2140435), (55, 1478846), (95, 856174), (110, 739423), (190, 428087), (209, 389170), (418, 194585), (1045, 77834), (2090, 38917)]