71215856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{261823}}^1$

素因数の和:261848

約数の個数: 20

約数和(自身を含む): 146097792

約数和(自身を除く): 74881936

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 261823, 523646, 1047292, 2094584, 4189168, 4450991, 8901982, 17803964, 35607928, 71215856]

約数ペア:

[(1, 71215856), (2, 35607928), (4, 17803964), (8, 8901982), (16, 4450991), (17, 4189168), (34, 2094584), (68, 1047292), (136, 523646), (272, 261823)]