221075456

素因数分解:

$2^{11}\times 7^2\times {\mathrm{2203}}^1$

素因数の和:2239

約数の個数: 72

約数和(自身を含む): 514446660

約数和(自身を除く): 293371204

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 2048, 2203, 3136, 3584, 4406, 6272, 7168, 8812, 12544, 14336, 15421, 17624, 25088, 30842, 35248, 50176, 61684, 70496, 100352, 107947, 123368, 140992, 215894, 246736, 281984, 431788, 493472, 563968, 863576, 986944, 1127936, 1727152, 1973888, 2255872, 3454304, 3947776, 4511744, 6908608, 7895552, 13817216, 15791104, 27634432, 31582208, 55268864, 110537728, 221075456]

約数ペア:

[(1, 221075456), (2, 110537728), (4, 55268864), (7, 31582208), (8, 27634432), (14, 15791104), (16, 13817216), (28, 7895552), (32, 6908608), (49, 4511744), (56, 3947776), (64, 3454304), (98, 2255872), (112, 1973888), (128, 1727152), (196, 1127936), (224, 986944), (256, 863576), (392, 563968), (448, 493472), (512, 431788), (784, 281984), (896, 246736), (1024, 215894), (1568, 140992), (1792, 123368), (2048, 107947), (2203, 100352), (3136, 70496), (3584, 61684), (4406, 50176), (6272, 35248), (7168, 30842), (8812, 25088), (12544, 17624), (14336, 15421)]