1780112

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1646

約数の個数: 20

約数和(自身を含む): 3499776

約数和(自身を除く): 1719664

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1567, 3134, 6268, 12536, 25072, 111257, 222514, 445028, 890056, 1780112]

約数ペア:

[(1, 1780112), (2, 890056), (4, 445028), (8, 222514), (16, 111257), (71, 25072), (142, 12536), (284, 6268), (568, 3134), (1136, 1567)]