28487593

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 32479488

約数和(自身を除く): 3991895

約数列:

[1, 19, 23, 47, 73, 361, 437, 893, 1081, 1387, 1679, 3431, 8303, 16967, 20539, 26353, 31901, 65189, 78913, 390241, 606119, 1238591, 1499347, 28487593]

約数ペア:

[(1, 28487593), (19, 1499347), (23, 1238591), (47, 606119), (73, 390241), (361, 78913), (437, 65189), (893, 31901), (1081, 26353), (1387, 20539), (1679, 16967), (3431, 8303)]