81139812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4861}}^1$

素因数の和:4988

約数の個数: 48

約数和(自身を含む): 205837632

約数和(自身を除く): 124697820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1284, 1391, 2782, 4173, 4861, 5564, 8346, 9722, 14583, 16692, 19444, 29166, 58332, 63193, 126386, 189579, 252772, 379158, 520127, 758316, 1040254, 1560381, 2080508, 3120762, 6241524, 6761651, 13523302, 20284953, 27046604, 40569906, 81139812]

約数ペア:

[(1, 81139812), (2, 40569906), (3, 27046604), (4, 20284953), (6, 13523302), (12, 6761651), (13, 6241524), (26, 3120762), (39, 2080508), (52, 1560381), (78, 1040254), (107, 758316), (156, 520127), (214, 379158), (321, 252772), (428, 189579), (642, 126386), (1284, 63193), (1391, 58332), (2782, 29166), (4173, 19444), (4861, 16692), (5564, 14583), (8346, 9722)]