13831279

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 17860608

約数和(自身を除く): 4029329

約数列:

[1, 7, 11, 49, 67, 77, 383, 469, 539, 737, 2681, 3283, 4213, 5159, 18767, 25661, 29491, 36113, 179627, 206437, 282271, 1257389, 1975897, 13831279]

約数ペア:

[(1, 13831279), (7, 1975897), (11, 1257389), (49, 282271), (67, 206437), (77, 179627), (383, 36113), (469, 29491), (539, 25661), (737, 18767), (2681, 5159), (3283, 4213)]