81157958

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{9187}}^1$

素因数の和:9827

約数の個数: 16

約数和(自身を含む): 139363584

約数和(自身を除く): 58205626

約数列:

[1, 2, 7, 14, 631, 1262, 4417, 8834, 9187, 18374, 64309, 128618, 5796997, 11593994, 40578979, 81157958]

約数ペア:

[(1, 81157958), (2, 40578979), (7, 11593994), (14, 5796997), (631, 128618), (1262, 64309), (4417, 18374), (8834, 9187)]