219855104

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1655

約数の個数: 72

約数和(自身を含む): 508220160

約数和(自身を除く): 288365056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 632, 896, 1106, 1264, 1553, 1792, 2212, 2528, 3106, 4424, 5056, 6212, 8848, 10112, 10871, 12424, 17696, 20224, 21742, 24848, 35392, 43484, 49696, 70784, 86968, 99392, 122687, 141568, 173936, 198784, 245374, 347872, 397568, 490748, 695744, 858809, 981496, 1391488, 1717618, 1962992, 2782976, 3435236, 3925984, 6870472, 7851968, 13740944, 15703936, 27481888, 31407872, 54963776, 109927552, 219855104]

約数ペア:

[(1, 219855104), (2, 109927552), (4, 54963776), (7, 31407872), (8, 27481888), (14, 15703936), (16, 13740944), (28, 7851968), (32, 6870472), (56, 3925984), (64, 3435236), (79, 2782976), (112, 1962992), (128, 1717618), (158, 1391488), (224, 981496), (256, 858809), (316, 695744), (448, 490748), (553, 397568), (632, 347872), (896, 245374), (1106, 198784), (1264, 173936), (1553, 141568), (1792, 122687), (2212, 99392), (2528, 86968), (3106, 70784), (4424, 49696), (5056, 43484), (6212, 35392), (8848, 24848), (10112, 21742), (10871, 20224), (12424, 17696)]