199971005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{9829}}^1$

素因数の和:10160

約数の個数: 16

約数和(自身を含む): 259276080

約数和(自身を除く): 59305075

約数列:

[1, 5, 13, 65, 313, 1565, 4069, 9829, 20345, 49145, 127777, 638885, 3076477, 15382385, 39994201, 199971005]

約数ペア:

[(1, 199971005), (5, 39994201), (13, 15382385), (65, 3076477), (313, 638885), (1565, 127777), (4069, 49145), (9829, 20345)]