249977

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 16

約数和(自身を含む): 319872

約数和(自身を除く): 69895

約数列:

[1, 7, 13, 41, 67, 91, 287, 469, 533, 871, 2747, 3731, 6097, 19229, 35711, 249977]

約数ペア:

[(1, 249977), (7, 35711), (13, 19229), (41, 6097), (67, 3731), (91, 2747), (287, 871), (469, 533)]