208977664

素因数分解:

$2^8\times 7^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 479587808

約数和(自身を除く): 270610144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 277, 421, 448, 554, 842, 896, 1108, 1684, 1792, 1939, 2216, 2947, 3368, 3878, 4432, 5894, 6736, 7756, 8864, 11788, 13472, 15512, 17728, 23576, 26944, 31024, 35456, 47152, 53888, 62048, 70912, 94304, 107776, 116617, 124096, 188608, 233234, 248192, 377216, 466468, 496384, 754432, 816319, 932936, 1632638, 1865872, 3265276, 3731744, 6530552, 7463488, 13061104, 14926976, 26122208, 29853952, 52244416, 104488832, 208977664]

約数ペア:

[(1, 208977664), (2, 104488832), (4, 52244416), (7, 29853952), (8, 26122208), (14, 14926976), (16, 13061104), (28, 7463488), (32, 6530552), (56, 3731744), (64, 3265276), (112, 1865872), (128, 1632638), (224, 932936), (256, 816319), (277, 754432), (421, 496384), (448, 466468), (554, 377216), (842, 248192), (896, 233234), (1108, 188608), (1684, 124096), (1792, 116617), (1939, 107776), (2216, 94304), (2947, 70912), (3368, 62048), (3878, 53888), (4432, 47152), (5894, 35456), (6736, 31024), (7756, 26944), (8864, 23576), (11788, 17728), (13472, 15512)]