156638131216

素因数分解:

$2^4\times 7^1\times {\mathrm{1398554743}}^1$

素因数の和:1398554758

約数の個数: 20

約数和(自身を含む): 346841576512

約数和(自身を除く): 190203445296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1398554743, 2797109486, 5594218972, 9789883201, 11188437944, 19579766402, 22376875888, 39159532804, 78319065608, 156638131216]

約数ペア:

[(1, 156638131216), (2, 78319065608), (4, 39159532804), (7, 22376875888), (8, 19579766402), (14, 11188437944), (16, 9789883201), (28, 5594218972), (56, 2797109486), (112, 1398554743)]