131020048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{430987}}^1$

素因数の和:431014

約数の個数: 20

約数和(自身を含む): 267212560

約数和(自身を除く): 136192512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 430987, 861974, 1723948, 3447896, 6895792, 8188753, 16377506, 32755012, 65510024, 131020048]

約数ペア:

[(1, 131020048), (2, 65510024), (4, 32755012), (8, 16377506), (16, 8188753), (19, 6895792), (38, 3447896), (76, 1723948), (152, 861974), (304, 430987)]