81306654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 192423168

約数和(自身を除く): 111116514

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 193, 286, 386, 429, 491, 579, 858, 982, 1158, 1473, 2123, 2509, 2946, 4246, 5018, 5401, 6369, 6383, 7527, 10802, 12738, 12766, 15054, 16203, 19149, 27599, 32406, 38298, 55198, 70213, 82797, 94763, 140426, 165594, 189526, 210639, 284289, 421278, 568578, 1042393, 1231919, 2084786, 2463838, 3127179, 3695757, 6254358, 7391514, 13551109, 27102218, 40653327, 81306654]

約数ペア:

[(1, 81306654), (2, 40653327), (3, 27102218), (6, 13551109), (11, 7391514), (13, 6254358), (22, 3695757), (26, 3127179), (33, 2463838), (39, 2084786), (66, 1231919), (78, 1042393), (143, 568578), (193, 421278), (286, 284289), (386, 210639), (429, 189526), (491, 165594), (579, 140426), (858, 94763), (982, 82797), (1158, 70213), (1473, 55198), (2123, 38298), (2509, 32406), (2946, 27599), (4246, 19149), (5018, 16203), (5401, 15054), (6369, 12766), (6383, 12738), (7527, 10802)]