87794476

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 199717056

約数和(自身を除く): 111922580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 301, 308, 473, 539, 602, 946, 947, 1078, 1204, 1892, 1894, 2107, 2156, 3311, 3788, 4214, 6622, 6629, 8428, 10417, 13244, 13258, 20834, 23177, 26516, 40721, 41668, 46354, 46403, 72919, 81442, 92708, 92806, 145838, 162884, 185612, 285047, 291676, 447931, 510433, 570094, 895862, 1020866, 1140188, 1791724, 1995329, 2041732, 3135517, 3990658, 6271034, 7981316, 12542068, 21948619, 43897238, 87794476]

約数ペア:

[(1, 87794476), (2, 43897238), (4, 21948619), (7, 12542068), (11, 7981316), (14, 6271034), (22, 3990658), (28, 3135517), (43, 2041732), (44, 1995329), (49, 1791724), (77, 1140188), (86, 1020866), (98, 895862), (154, 570094), (172, 510433), (196, 447931), (301, 291676), (308, 285047), (473, 185612), (539, 162884), (602, 145838), (946, 92806), (947, 92708), (1078, 81442), (1204, 72919), (1892, 46403), (1894, 46354), (2107, 41668), (2156, 40721), (3311, 26516), (3788, 23177), (4214, 20834), (6622, 13258), (6629, 13244), (8428, 10417)]