81772838

素因数分解:

$2^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{12781}}^1$

素因数の和:13247

約数の個数: 16

約数和(自身を含む): 140499744

約数和(自身を除く): 58726906

約数列:

[1, 2, 7, 14, 457, 914, 3199, 6398, 12781, 25562, 89467, 178934, 5840917, 11681834, 40886419, 81772838]

約数ペア:

[(1, 81772838), (2, 40886419), (7, 11681834), (14, 5840917), (457, 178934), (914, 89467), (3199, 25562), (6398, 12781)]