279684052

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{4999}}^1$

素因数の和:5271

約数の個数: 24

約数和(自身を含む): 498960000

約数和(自身を除く): 219275948

約数列:

[1, 2, 4, 71, 142, 197, 284, 394, 788, 4999, 9998, 13987, 19996, 27974, 55948, 354929, 709858, 984803, 1419716, 1969606, 3939212, 69921013, 139842026, 279684052]

約数ペア:

[(1, 279684052), (2, 139842026), (4, 69921013), (71, 3939212), (142, 1969606), (197, 1419716), (284, 984803), (394, 709858), (788, 354929), (4999, 55948), (9998, 27974), (13987, 19996)]