28273712

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12713}}^1$

素因数の和:12860

約数の個数: 20

約数和(自身を含む): 55178760

約数和(自身を除く): 26905048

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12713, 25426, 50852, 101704, 203408, 1767107, 3534214, 7068428, 14136856, 28273712]

約数ペア:

[(1, 28273712), (2, 14136856), (4, 7068428), (8, 3534214), (16, 1767107), (139, 203408), (278, 101704), (556, 50852), (1112, 25426), (2224, 12713)]