27912590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 23979250

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 467, 695, 934, 1390, 2335, 4670, 5977, 11954, 20081, 29885, 40162, 59770, 64913, 100405, 129826, 200810, 324565, 649130, 2791259, 5582518, 13956295, 27912590]

約数ペア:

[(1, 27912590), (2, 13956295), (5, 5582518), (10, 2791259), (43, 649130), (86, 324565), (139, 200810), (215, 129826), (278, 100405), (430, 64913), (467, 59770), (695, 40162), (934, 29885), (1390, 20081), (2335, 11954), (4670, 5977)]