81335926

素因数分解:

$2^1\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{3907}}^1$

素因数の和:5403

約数の個数: 16

約数和(自身を含む): 139562496

約数和(自身を除く): 58226570

約数列:

[1, 2, 7, 14, 1487, 2974, 3907, 7814, 10409, 20818, 27349, 54698, 5809709, 11619418, 40667963, 81335926]

約数ペア:

[(1, 81335926), (2, 40667963), (7, 11619418), (14, 5809709), (1487, 54698), (2974, 27349), (3907, 20818), (7814, 10409)]