89876479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2671}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 123125760

約数和(自身を除く): 33249281

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1463, 1771, 2671, 3059, 4807, 18697, 29381, 33649, 50749, 61433, 205667, 355243, 430031, 558239, 675763, 1167227, 3907673, 4730341, 8170589, 12839497, 89876479]

約数ペア:

[(1, 89876479), (7, 12839497), (11, 8170589), (19, 4730341), (23, 3907673), (77, 1167227), (133, 675763), (161, 558239), (209, 430031), (253, 355243), (437, 205667), (1463, 61433), (1771, 50749), (2671, 33649), (3059, 29381), (4807, 18697)]