2690871455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{61781}}^1$

素因数の和:62098

約数の個数: 16

約数和(自身を含む): 3345124608

約数和(自身を除く): 654253153

約数列:

[1, 5, 31, 155, 281, 1405, 8711, 43555, 61781, 308905, 1915211, 9576055, 17360461, 86802305, 538174291, 2690871455]

約数ペア:

[(1, 2690871455), (5, 538174291), (31, 86802305), (155, 17360461), (281, 9576055), (1405, 1915211), (8711, 308905), (43555, 61781)]