161329766

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 275114880

約数和(自身を除く): 113785114

約数列:

[1, 2, 13, 26, 31, 62, 89, 169, 173, 178, 338, 346, 403, 806, 1157, 2249, 2314, 2759, 4498, 5239, 5363, 5518, 10478, 10726, 15041, 15397, 29237, 30082, 30794, 35867, 58474, 69719, 71734, 139438, 200161, 400322, 466271, 477307, 906347, 932542, 954614, 1812694, 2602093, 5204186, 6204991, 12409982, 80664883, 161329766]

約数ペア:

[(1, 161329766), (2, 80664883), (13, 12409982), (26, 6204991), (31, 5204186), (62, 2602093), (89, 1812694), (169, 954614), (173, 932542), (178, 906347), (338, 477307), (346, 466271), (403, 400322), (806, 200161), (1157, 139438), (2249, 71734), (2314, 69719), (2759, 58474), (4498, 35867), (5239, 30794), (5363, 30082), (5518, 29237), (10478, 15397), (10726, 15041)]