81990194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1013}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 145139904

約数和(自身を除く): 63149710

約数列:

[1, 2, 11, 13, 22, 26, 143, 283, 286, 566, 1013, 2026, 3113, 3679, 6226, 7358, 11143, 13169, 22286, 26338, 40469, 80938, 144859, 286679, 289718, 573358, 3153469, 3726827, 6306938, 7453654, 40995097, 81990194]

約数ペア:

[(1, 81990194), (2, 40995097), (11, 7453654), (13, 6306938), (22, 3726827), (26, 3153469), (143, 573358), (283, 289718), (286, 286679), (566, 144859), (1013, 80938), (2026, 40469), (3113, 26338), (3679, 22286), (6226, 13169), (7358, 11143)]