397656

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{263}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 1267200

約数和(自身を除く): 869544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 263, 378, 504, 526, 756, 789, 1052, 1512, 1578, 1841, 2104, 2367, 3156, 3682, 4734, 5523, 6312, 7101, 7364, 9468, 11046, 14202, 14728, 16569, 18936, 22092, 28404, 33138, 44184, 49707, 56808, 66276, 99414, 132552, 198828, 397656]

約数ペア:

[(1, 397656), (2, 198828), (3, 132552), (4, 99414), (6, 66276), (7, 56808), (8, 49707), (9, 44184), (12, 33138), (14, 28404), (18, 22092), (21, 18936), (24, 16569), (27, 14728), (28, 14202), (36, 11046), (42, 9468), (54, 7364), (56, 7101), (63, 6312), (72, 5523), (84, 4734), (108, 3682), (126, 3156), (168, 2367), (189, 2104), (216, 1841), (252, 1578), (263, 1512), (378, 1052), (504, 789), (526, 756)]