261985178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7307}}^1$

素因数の和:7526

約数の個数: 32

約数和(自身を含む): 486186624

約数和(自身を除く): 224201446

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 197, 394, 1379, 2561, 2758, 5122, 7307, 14614, 17927, 35854, 51149, 94991, 102298, 189982, 664937, 1329874, 1439479, 2878958, 10076353, 18713227, 20152706, 37426454, 130992589, 261985178]

約数ペア:

[(1, 261985178), (2, 130992589), (7, 37426454), (13, 20152706), (14, 18713227), (26, 10076353), (91, 2878958), (182, 1439479), (197, 1329874), (394, 664937), (1379, 189982), (2561, 102298), (2758, 94991), (5122, 51149), (7307, 35854), (14614, 17927)]