31287266

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{809}}^1$

素因数の和:1189

約数の個数: 16

約数和(自身を含む): 47909880

約数和(自身を除く): 16622614

約数列:

[1, 2, 61, 122, 317, 634, 809, 1618, 19337, 38674, 49349, 98698, 256453, 512906, 15643633, 31287266]

約数ペア:

[(1, 31287266), (2, 15643633), (61, 512906), (122, 256453), (317, 98698), (634, 49349), (809, 38674), (1618, 19337)]