157883984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{70991}}^1$

素因数の和:71138

約数の個数: 20

約数和(自身を含む): 308105280

約数和(自身を除く): 150221296

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 70991, 141982, 283964, 567928, 1135856, 9867749, 19735498, 39470996, 78941992, 157883984]

約数ペア:

[(1, 157883984), (2, 78941992), (4, 39470996), (8, 19735498), (16, 9867749), (139, 1135856), (278, 567928), (556, 283964), (1112, 141982), (2224, 70991)]