684628718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{209623}}^1$

素因数の和:209719

約数の個数: 16

約数和(自身を含む): 1086690816

約数和(自身を除く): 402062098

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 209623, 419246, 4821329, 9642658, 14883233, 29766466, 342314359, 684628718]

約数ペア:

[(1, 684628718), (2, 342314359), (23, 29766466), (46, 14883233), (71, 9642658), (142, 4821329), (1633, 419246), (3266, 209623)]