210819022

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{78139}}^1$

素因数の和:78231

約数の個数: 16

約数和(自身を含む): 337564800

約数和(自身を除く): 126745778

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 78139, 156278, 1484641, 2969282, 5547869, 11095738, 105409511, 210819022]

約数ペア:

[(1, 210819022), (2, 105409511), (19, 11095738), (38, 5547869), (71, 2969282), (142, 1484641), (1349, 156278), (2698, 78139)]