19971543361

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8943817}}^1$

素因数の和:8943864

約数の個数: 16

約数和(自身を含む): 25758195840

約数和(自身を除く): 5786652479

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 8943817, 62606719, 98381987, 259370693, 688673909, 1815594851, 2853077623, 19971543361]

約数ペア:

[(1, 19971543361), (7, 2853077623), (11, 1815594851), (29, 688673909), (77, 259370693), (203, 98381987), (319, 62606719), (2233, 8943817)]