81527914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72923}}^1$

素因数の和:72981

約数の個数: 16

約数和(自身を含む): 134763552

約数和(自身を除く): 53235638

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72923, 145846, 947999, 1895998, 3135689, 6271378, 40763957, 81527914]

約数ペア:

[(1, 81527914), (2, 40763957), (13, 6271378), (26, 3135689), (43, 1895998), (86, 947999), (559, 145846), (1118, 72923)]