138260072

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{208223}}^1$

素因数の和:208312

約数の個数: 16

約数和(自身を含む): 262362240

約数和(自身を除く): 124102168

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 208223, 416446, 832892, 1665784, 17282509, 34565018, 69130036, 138260072]

約数ペア:

[(1, 138260072), (2, 69130036), (4, 34565018), (8, 17282509), (83, 1665784), (166, 832892), (332, 416446), (664, 208223)]