28115408

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{2543}}^1$

素因数の和:3242

約数の個数: 20

約数和(自身を含む): 54573888

約数和(自身を除く): 26458480

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2543, 2764, 5086, 5528, 10172, 11056, 20344, 40688, 1757213, 3514426, 7028852, 14057704, 28115408]

約数ペア:

[(1, 28115408), (2, 14057704), (4, 7028852), (8, 3514426), (16, 1757213), (691, 40688), (1382, 20344), (2543, 11056), (2764, 10172), (5086, 5528)]