721193008

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{634853}}^1$

素因数の和:634932

約数の個数: 20

約数和(自身を含む): 1416994128

約数和(自身を除く): 695801120

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 634853, 1269706, 2539412, 5078824, 10157648, 45074563, 90149126, 180298252, 360596504, 721193008]

約数ペア:

[(1, 721193008), (2, 360596504), (4, 180298252), (8, 90149126), (16, 45074563), (71, 10157648), (142, 5078824), (284, 2539412), (568, 1269706), (1136, 634853)]