138778801

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2711}}^1$

素因数の和:2892

約数の個数: 16

約数和(自身を含む): 162459648

約数和(自身を除く): 23680847

約数列:

[1, 7, 71, 103, 497, 721, 2711, 7313, 18977, 51191, 192481, 279233, 1347367, 1954631, 19825543, 138778801]

約数ペア:

[(1, 138778801), (7, 19825543), (71, 1954631), (103, 1347367), (497, 279233), (721, 192481), (2711, 51191), (7313, 18977)]