1889768881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{3709}}^1$

素因数の和:4249

約数の個数: 32

約数和(自身を含む): 2542982400

約数和(自身を除く): 653213519

約数列:

[1, 7, 11, 13, 77, 91, 143, 509, 1001, 3563, 3709, 5599, 6617, 25963, 39193, 40799, 46319, 48217, 72787, 285593, 337519, 509509, 530387, 1887881, 3712709, 13215167, 20766691, 24542453, 145366837, 171797171, 269966983, 1889768881]

約数ペア:

[(1, 1889768881), (7, 269966983), (11, 171797171), (13, 145366837), (77, 24542453), (91, 20766691), (143, 13215167), (509, 3712709), (1001, 1887881), (3563, 530387), (3709, 509509), (5599, 337519), (6617, 285593), (25963, 72787), (39193, 48217), (40799, 46319)]