1982321878

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{157}}^2\times {\mathrm{509}}^1$

素因数の和:904

約数の個数: 24

約数和(自身を含む): 3036376800

約数和(自身を除く): 1054054922

約数列:

[1, 2, 79, 157, 158, 314, 509, 1018, 12403, 24649, 24806, 40211, 49298, 79913, 80422, 159826, 1947271, 3894542, 6313127, 12546341, 12626254, 25092682, 991160939, 1982321878]

約数ペア:

[(1, 1982321878), (2, 991160939), (79, 25092682), (157, 12626254), (158, 12546341), (314, 6313127), (509, 3894542), (1018, 1947271), (12403, 159826), (24649, 80422), (24806, 79913), (40211, 49298)]