25281928

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{683}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 54336960

約数和(自身を除く): 29055032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 683, 1322, 1366, 2644, 2732, 4627, 4781, 5288, 5464, 9254, 9562, 18508, 19124, 37016, 38248, 451463, 902926, 1805852, 3160241, 3611704, 6320482, 12640964, 25281928]

約数ペア:

[(1, 25281928), (2, 12640964), (4, 6320482), (7, 3611704), (8, 3160241), (14, 1805852), (28, 902926), (56, 451463), (661, 38248), (683, 37016), (1322, 19124), (1366, 18508), (2644, 9562), (2732, 9254), (4627, 5464), (4781, 5288)]