81351422

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1\times {\mathrm{809}}^1$

素因数の和:1315

約数の個数: 16

約数和(自身を含む): 123405120

約数和(自身を除く): 42053698

約数列:

[1, 2, 137, 274, 367, 734, 809, 1618, 50279, 100558, 110833, 221666, 296903, 593806, 40675711, 81351422]

約数ペア:

[(1, 81351422), (2, 40675711), (137, 593806), (274, 296903), (367, 221666), (734, 110833), (809, 100558), (1618, 50279)]