13266505

素因数分解:

$5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 18685512

約数和(自身を除く): 5419007

約数列:

[1, 5, 7, 35, 49, 173, 245, 313, 865, 1211, 1565, 2191, 6055, 8477, 10955, 15337, 42385, 54149, 76685, 270745, 379043, 1895215, 2653301, 13266505]

約数ペア:

[(1, 13266505), (5, 2653301), (7, 1895215), (35, 379043), (49, 270745), (173, 76685), (245, 54149), (313, 42385), (865, 15337), (1211, 10955), (1565, 8477), (2191, 6055)]