138739136

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{69929}}^1$

素因数の和:69972

約数の個数: 28

約数和(自身を含む): 284195520

約数和(自身を除く): 145456384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 69929, 139858, 279716, 559432, 1118864, 2167799, 2237728, 4335598, 4475456, 8671196, 17342392, 34684784, 69369568, 138739136]

約数ペア:

[(1, 138739136), (2, 69369568), (4, 34684784), (8, 17342392), (16, 8671196), (31, 4475456), (32, 4335598), (62, 2237728), (64, 2167799), (124, 1118864), (248, 559432), (496, 279716), (992, 139858), (1984, 69929)]