138390218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{42373}}^1$

素因数の和:42469

約数の個数: 16

約数和(自身を含む): 219666816

約数和(自身を除く): 81276598

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 42373, 84746, 974579, 1949158, 3008483, 6016966, 69195109, 138390218]

約数ペア:

[(1, 138390218), (2, 69195109), (23, 6016966), (46, 3008483), (71, 1949158), (142, 974579), (1633, 84746), (3266, 42373)]