81799928

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31079}}^1$

素因数の和:31139

約数の個数: 32

約数和(自身を含む): 179020800

約数和(自身を除く): 97220872

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 31079, 62158, 124316, 217553, 248632, 435106, 870212, 1460713, 1740424, 2921426, 5842852, 10224991, 11685704, 20449982, 40899964, 81799928]

約数ペア:

[(1, 81799928), (2, 40899964), (4, 20449982), (7, 11685704), (8, 10224991), (14, 5842852), (28, 2921426), (47, 1740424), (56, 1460713), (94, 870212), (188, 435106), (329, 248632), (376, 217553), (658, 124316), (1316, 62158), (2632, 31079)]