12641216

素因数分解:

$2^6\times 7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 84

約数和(自身を含む): 30403800

約数和(自身を除く): 17762584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 64, 98, 112, 116, 139, 196, 203, 224, 232, 278, 392, 406, 448, 464, 556, 784, 812, 928, 973, 1112, 1421, 1568, 1624, 1856, 1946, 2224, 2842, 3136, 3248, 3892, 4031, 4448, 5684, 6496, 6811, 7784, 8062, 8896, 11368, 12992, 13622, 15568, 16124, 22736, 27244, 28217, 31136, 32248, 45472, 54488, 56434, 62272, 64496, 90944, 108976, 112868, 128992, 197519, 217952, 225736, 257984, 395038, 435904, 451472, 790076, 902944, 1580152, 1805888, 3160304, 6320608, 12641216]

約数ペア:

[(1, 12641216), (2, 6320608), (4, 3160304), (7, 1805888), (8, 1580152), (14, 902944), (16, 790076), (28, 451472), (29, 435904), (32, 395038), (49, 257984), (56, 225736), (58, 217952), (64, 197519), (98, 128992), (112, 112868), (116, 108976), (139, 90944), (196, 64496), (203, 62272), (224, 56434), (232, 54488), (278, 45472), (392, 32248), (406, 31136), (448, 28217), (464, 27244), (556, 22736), (784, 16124), (812, 15568), (928, 13622), (973, 12992), (1112, 11368), (1421, 8896), (1568, 8062), (1624, 7784), (1856, 6811), (1946, 6496), (2224, 5684), (2842, 4448), (3136, 4031), (3248, 3892)]