171920905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{25679}}^1$

素因数の和:25800

約数の個数: 16

約数和(自身を含む): 224340480

約数和(自身を除く): 52419575

約数列:

[1, 5, 13, 65, 103, 515, 1339, 6695, 25679, 128395, 333827, 1669135, 2644937, 13224685, 34384181, 171920905]

約数ペア:

[(1, 171920905), (5, 34384181), (13, 13224685), (65, 2644937), (103, 1669135), (515, 333827), (1339, 128395), (6695, 25679)]