328898416

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1117}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 798520320

約数和(自身を除く): 469621904

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 239, 308, 478, 616, 956, 1117, 1232, 1673, 1912, 2234, 2629, 3346, 3824, 4468, 5258, 6692, 7819, 8936, 10516, 12287, 13384, 15638, 17872, 18403, 21032, 24574, 26768, 31276, 36806, 42064, 49148, 62552, 73612, 86009, 98296, 125104, 147224, 172018, 196592, 266963, 294448, 344036, 533926, 688072, 1067852, 1376144, 1868741, 2135704, 2936593, 3737482, 4271408, 5873186, 7474964, 11746372, 14949928, 20556151, 23492744, 29899856, 41112302, 46985488, 82224604, 164449208, 328898416]

約数ペア:

[(1, 328898416), (2, 164449208), (4, 82224604), (7, 46985488), (8, 41112302), (11, 29899856), (14, 23492744), (16, 20556151), (22, 14949928), (28, 11746372), (44, 7474964), (56, 5873186), (77, 4271408), (88, 3737482), (112, 2936593), (154, 2135704), (176, 1868741), (239, 1376144), (308, 1067852), (478, 688072), (616, 533926), (956, 344036), (1117, 294448), (1232, 266963), (1673, 196592), (1912, 172018), (2234, 147224), (2629, 125104), (3346, 98296), (3824, 86009), (4468, 73612), (5258, 62552), (6692, 49148), (7819, 42064), (8936, 36806), (10516, 31276), (12287, 26768), (13384, 24574), (15638, 21032), (17872, 18403)]