389385472

素因数分解:

$2^8\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1323

約数の個数: 72

約数和(自身を含む): 893604096

約数和(自身を除く): 504218624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 197, 224, 256, 394, 448, 788, 896, 1103, 1379, 1576, 1792, 2206, 2758, 3152, 4412, 5516, 6304, 7721, 8824, 11032, 12608, 15442, 17648, 22064, 25216, 30884, 35296, 44128, 50432, 61768, 70592, 88256, 123536, 141184, 176512, 217291, 247072, 282368, 353024, 434582, 494144, 869164, 988288, 1521037, 1738328, 1976576, 3042074, 3476656, 6084148, 6953312, 12168296, 13906624, 24336592, 27813248, 48673184, 55626496, 97346368, 194692736, 389385472]

約数ペア:

[(1, 389385472), (2, 194692736), (4, 97346368), (7, 55626496), (8, 48673184), (14, 27813248), (16, 24336592), (28, 13906624), (32, 12168296), (56, 6953312), (64, 6084148), (112, 3476656), (128, 3042074), (197, 1976576), (224, 1738328), (256, 1521037), (394, 988288), (448, 869164), (788, 494144), (896, 434582), (1103, 353024), (1379, 282368), (1576, 247072), (1792, 217291), (2206, 176512), (2758, 141184), (3152, 123536), (4412, 88256), (5516, 70592), (6304, 61768), (7721, 50432), (8824, 44128), (11032, 35296), (12608, 30884), (15442, 25216), (17648, 22064)]