72874417

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2551}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 94260672

約数和(自身を除く): 21386255

約数列:

[1, 7, 11, 49, 53, 77, 371, 539, 583, 2551, 2597, 4081, 17857, 28061, 28567, 124999, 135203, 196427, 946421, 1374989, 1487233, 6624947, 10410631, 72874417]

約数ペア:

[(1, 72874417), (7, 10410631), (11, 6624947), (49, 1487233), (53, 1374989), (77, 946421), (371, 196427), (539, 135203), (583, 124999), (2551, 28567), (2597, 28061), (4081, 17857)]