261013096

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{20507}}^1$

素因数の和:20593

約数の個数: 32

約数和(自身を含む): 514340640

約数和(自身を除く): 253327544

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 3182, 6364, 12728, 20507, 41014, 82028, 164056, 758759, 881801, 1517518, 1763602, 3035036, 3527204, 6070072, 7054408, 32626637, 65253274, 130506548, 261013096]

約数ペア:

[(1, 261013096), (2, 130506548), (4, 65253274), (8, 32626637), (37, 7054408), (43, 6070072), (74, 3527204), (86, 3035036), (148, 1763602), (172, 1517518), (296, 881801), (344, 758759), (1591, 164056), (3182, 82028), (6364, 41014), (12728, 20507)]