81707164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{853}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 179053056

約数和(自身を除く): 97345892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 311, 622, 853, 1244, 1706, 2177, 3412, 3421, 4354, 5971, 6842, 8708, 9383, 11942, 13684, 18766, 23884, 23947, 37532, 47894, 65681, 95788, 131362, 262724, 265283, 530566, 1061132, 1856981, 2918113, 3713962, 5836226, 7427924, 11672452, 20426791, 40853582, 81707164]

約数ペア:

[(1, 81707164), (2, 40853582), (4, 20426791), (7, 11672452), (11, 7427924), (14, 5836226), (22, 3713962), (28, 2918113), (44, 1856981), (77, 1061132), (154, 530566), (308, 265283), (311, 262724), (622, 131362), (853, 95788), (1244, 65681), (1706, 47894), (2177, 37532), (3412, 23947), (3421, 23884), (4354, 18766), (5971, 13684), (6842, 11942), (8708, 9383)]