28308385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42569}}^1$

素因数の和:42600

約数の個数: 16

約数和(自身を含む): 40867200

約数和(自身を除く): 12558815

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42569, 212845, 297983, 808811, 1489915, 4044055, 5661677, 28308385]

約数ペア:

[(1, 28308385), (5, 5661677), (7, 4044055), (19, 1489915), (35, 808811), (95, 297983), (133, 212845), (665, 42569)]