81993635

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 105436080

約数和(自身を除く): 23442445

約数列:

[1, 5, 17, 85, 179, 289, 317, 895, 1445, 1585, 3043, 5389, 15215, 26945, 51731, 56743, 91613, 258655, 283715, 458065, 964631, 4823155, 16398727, 81993635]

約数ペア:

[(1, 81993635), (5, 16398727), (17, 4823155), (85, 964631), (179, 458065), (289, 283715), (317, 258655), (895, 91613), (1445, 56743), (1585, 51731), (3043, 26945), (5389, 15215)]