157679992

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{19889}}^1$

素因数の和:20886

約数の個数: 16

約数和(自身を含む): 295963200

約数和(自身を除く): 138283208

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 19889, 39778, 79556, 159112, 19709999, 39419998, 78839996, 157679992]

約数ペア:

[(1, 157679992), (2, 78839996), (4, 39419998), (8, 19709999), (991, 159112), (1982, 79556), (3964, 39778), (7928, 19889)]