199970813

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3583}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 250048512

約数和(自身を除く): 50077699

約数列:

[1, 7, 17, 49, 67, 119, 469, 833, 1139, 3283, 3583, 7973, 25081, 55811, 60911, 175567, 240061, 426377, 1680427, 2984639, 4081037, 11762989, 28567259, 199970813]

約数ペア:

[(1, 199970813), (7, 28567259), (17, 11762989), (49, 4081037), (67, 2984639), (119, 1680427), (469, 426377), (833, 240061), (1139, 175567), (3283, 60911), (3583, 55811), (7973, 25081)]