81321938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{45533}}^1$

素因数の和:45601

約数の個数: 16

約数和(自身を含む): 131137920

約数和(自身を除く): 49815982

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 45533, 91066, 865127, 1730254, 2140051, 4280102, 40660969, 81321938]

約数ペア:

[(1, 81321938), (2, 40660969), (19, 4280102), (38, 2140051), (47, 1730254), (94, 865127), (893, 91066), (1786, 45533)]