78126917

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 95760000

約数和(自身を除く): 17633083

約数列:

[1, 11, 17, 19, 121, 187, 209, 323, 1999, 2057, 2299, 3553, 21989, 33983, 37981, 39083, 241879, 373813, 417791, 645677, 4111943, 4595701, 7102447, 78126917]

約数ペア:

[(1, 78126917), (11, 7102447), (17, 4595701), (19, 4111943), (121, 645677), (187, 417791), (209, 373813), (323, 241879), (1999, 39083), (2057, 37981), (2299, 33983), (3553, 21989)]