1640464514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{888659}}^1$

素因数の和:888745

約数の個数: 16

約数和(自身を含む): 2687307840

約数和(自身を除く): 1046843326

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 888659, 1777318, 11552567, 23105134, 63094789, 126189578, 820232257, 1640464514]

約数ペア:

[(1, 1640464514), (2, 820232257), (13, 126189578), (26, 63094789), (71, 23105134), (142, 11552567), (923, 1777318), (1846, 888659)]