81880084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3329}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 172307520

約数和(自身を除く): 90427436

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 946, 1118, 1892, 2236, 3329, 6149, 6658, 12298, 13316, 24596, 36619, 43277, 73238, 86554, 143147, 146476, 173108, 286294, 476047, 572588, 952094, 1574617, 1860911, 1904188, 3149234, 3721822, 6298468, 7443644, 20470021, 40940042, 81880084]

約数ペア:

[(1, 81880084), (2, 40940042), (4, 20470021), (11, 7443644), (13, 6298468), (22, 3721822), (26, 3149234), (43, 1904188), (44, 1860911), (52, 1574617), (86, 952094), (143, 572588), (172, 476047), (286, 286294), (473, 173108), (559, 146476), (572, 143147), (946, 86554), (1118, 73238), (1892, 43277), (2236, 36619), (3329, 24596), (6149, 13316), (6658, 12298)]