13122005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 17431848

約数和(自身を除く): 4309843

約数列:

[1, 5, 13, 53, 65, 169, 265, 293, 689, 845, 1465, 3445, 3809, 8957, 15529, 19045, 44785, 49517, 77645, 201877, 247585, 1009385, 2624401, 13122005]

約数ペア:

[(1, 13122005), (5, 2624401), (13, 1009385), (53, 247585), (65, 201877), (169, 77645), (265, 49517), (293, 44785), (689, 19045), (845, 15529), (1465, 8957), (3445, 3809)]