131267968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{78887}}^1$

素因数の和:78914

約数の個数: 32

約数和(自身を含む): 281630160

約数和(自身を除く): 150362192

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 78887, 157774, 315548, 631096, 1025531, 1262192, 2051062, 2524384, 4102124, 5048768, 8204248, 10097536, 16408496, 32816992, 65633984, 131267968]

約数ペア:

[(1, 131267968), (2, 65633984), (4, 32816992), (8, 16408496), (13, 10097536), (16, 8204248), (26, 5048768), (32, 4102124), (52, 2524384), (64, 2051062), (104, 1262192), (128, 1025531), (208, 631096), (416, 315548), (832, 157774), (1664, 78887)]