128402764

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{29209}}^1$

素因数の和:29377

約数の個数: 24

約数和(自身を含む): 258450080

約数和(自身を除く): 130047316

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 29209, 58418, 116836, 204463, 408926, 817852, 4585813, 9171626, 18343252, 32100691, 64201382, 128402764]

約数ペア:

[(1, 128402764), (2, 64201382), (4, 32100691), (7, 18343252), (14, 9171626), (28, 4585813), (157, 817852), (314, 408926), (628, 204463), (1099, 116836), (2198, 58418), (4396, 29209)]