71188016

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{32009}}^1$

素因数の和:32156

約数の個数: 20

約数和(自身を含む): 138923400

約数和(自身を除く): 67735384

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 32009, 64018, 128036, 256072, 512144, 4449251, 8898502, 17797004, 35594008, 71188016]

約数ペア:

[(1, 71188016), (2, 35594008), (4, 17797004), (8, 8898502), (16, 4449251), (139, 512144), (278, 256072), (556, 128036), (1112, 64018), (2224, 32009)]