71581552

素因数分解:

$2^4\times 7^2\times {\mathrm{91303}}^1$

素因数の和:91325

約数の個数: 30

約数和(自身を含む): 161334168

約数和(自身を除く): 89752616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 91303, 182606, 365212, 639121, 730424, 1278242, 1460848, 2556484, 4473847, 5112968, 8947694, 10225936, 17895388, 35790776, 71581552]

約数ペア:

[(1, 71581552), (2, 35790776), (4, 17895388), (7, 10225936), (8, 8947694), (14, 5112968), (16, 4473847), (28, 2556484), (49, 1460848), (56, 1278242), (98, 730424), (112, 639121), (196, 365212), (392, 182606), (784, 91303)]