81789568

素因数分解:

$2^7\times 7^1\times {\mathrm{91283}}^1$

素因数の和:91304

約数の個数: 32

約数和(自身を含む): 186219360

約数和(自身を除く): 104429792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 91283, 182566, 365132, 638981, 730264, 1277962, 1460528, 2555924, 2921056, 5111848, 5842112, 10223696, 11684224, 20447392, 40894784, 81789568]

約数ペア:

[(1, 81789568), (2, 40894784), (4, 20447392), (7, 11684224), (8, 10223696), (14, 5842112), (16, 5111848), (28, 2921056), (32, 2555924), (56, 1460528), (64, 1277962), (112, 730264), (128, 638981), (224, 365132), (448, 182566), (896, 91283)]