140121908

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{947}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 249407424

約数和(自身を除く): 109285516

約数列:

[1, 2, 4, 71, 142, 284, 521, 947, 1042, 1894, 2084, 3788, 36991, 67237, 73982, 134474, 147964, 268948, 493387, 986774, 1973548, 35030477, 70060954, 140121908]

約数ペア:

[(1, 140121908), (2, 70060954), (4, 35030477), (71, 1973548), (142, 986774), (284, 493387), (521, 268948), (947, 147964), (1042, 134474), (1894, 73982), (2084, 67237), (3788, 36991)]