261287207

素因数分解:

${\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 270167040

約数和(自身を除く): 8879833

約数列:

[1, 79, 103, 163, 197, 8137, 12877, 15563, 16789, 20291, 32111, 1326331, 1602989, 2536769, 3307433, 261287207]

約数ペア:

[(1, 261287207), (79, 3307433), (103, 2536769), (163, 1602989), (197, 1326331), (8137, 32111), (12877, 20291), (15563, 16789)]