81996343

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 102735360

約数和(自身を除く): 20739017

約数列:

[1, 11, 13, 19, 103, 143, 209, 247, 293, 1133, 1339, 1957, 2717, 3223, 3809, 5567, 14729, 21527, 25441, 30179, 41899, 61237, 72371, 279851, 331969, 392327, 573401, 796081, 4315597, 6307411, 7454213, 81996343]

約数ペア:

[(1, 81996343), (11, 7454213), (13, 6307411), (19, 4315597), (103, 796081), (143, 573401), (209, 392327), (247, 331969), (293, 279851), (1133, 72371), (1339, 61237), (1957, 41899), (2717, 30179), (3223, 25441), (3809, 21527), (5567, 14729)]