71388128

素因数分解:

$2^5\times 7^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1195

約数の個数: 48

約数和(自身を含む): 161217504

約数和(自身を除く): 89829376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 421, 757, 842, 1514, 1684, 2947, 3028, 3368, 5299, 5894, 6056, 6736, 10598, 11788, 12112, 13472, 21196, 23576, 24224, 42392, 47152, 84784, 94304, 169568, 318697, 637394, 1274788, 2230879, 2549576, 4461758, 5099152, 8923516, 10198304, 17847032, 35694064, 71388128]

約数ペア:

[(1, 71388128), (2, 35694064), (4, 17847032), (7, 10198304), (8, 8923516), (14, 5099152), (16, 4461758), (28, 2549576), (32, 2230879), (56, 1274788), (112, 637394), (224, 318697), (421, 169568), (757, 94304), (842, 84784), (1514, 47152), (1684, 42392), (2947, 24224), (3028, 23576), (3368, 21196), (5299, 13472), (5894, 12112), (6056, 11788), (6736, 10598)]