678215998

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1\times {\mathrm{3347}}^1$

素因数の和:4847

約数の個数: 16

約数和(自身を含む): 1032683904

約数和(自身を除く): 354467906

約数列:

[1, 2, 71, 142, 1427, 2854, 3347, 6694, 101317, 202634, 237637, 475274, 4776169, 9552338, 339107999, 678215998]

約数ペア:

[(1, 678215998), (2, 339107999), (71, 9552338), (142, 4776169), (1427, 475274), (2854, 237637), (3347, 202634), (6694, 101317)]