64969916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{18691}}^1$

素因数の和:18785

約数の個数: 24

約数和(自身を含む): 125610240

約数和(自身を除く): 60640324

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 18691, 37382, 74764, 205601, 411202, 822404, 1476589, 2953178, 5906356, 16242479, 32484958, 64969916]

約数ペア:

[(1, 64969916), (2, 32484958), (4, 16242479), (11, 5906356), (22, 2953178), (44, 1476589), (79, 822404), (158, 411202), (316, 205601), (869, 74764), (1738, 37382), (3476, 18691)]