81642008

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31019}}^1$

素因数の和:31079

約数の個数: 32

約数和(自身を含む): 178675200

約数和(自身を除く): 97033192

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 31019, 62038, 124076, 217133, 248152, 434266, 868532, 1457893, 1737064, 2915786, 5831572, 10205251, 11663144, 20410502, 40821004, 81642008]

約数ペア:

[(1, 81642008), (2, 40821004), (4, 20410502), (7, 11663144), (8, 10205251), (14, 5831572), (28, 2915786), (47, 1737064), (56, 1457893), (94, 868532), (188, 434266), (329, 248152), (376, 217133), (658, 124076), (1316, 62038), (2632, 31019)]