31279754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21221}}^1$

素因数の和:21301

約数の個数: 16

約数和(自身を含む): 51951456

約数和(自身を除く): 20671702

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 21221, 42442, 233431, 466862, 1421807, 2843614, 15639877, 31279754]

約数ペア:

[(1, 31279754), (2, 15639877), (11, 2843614), (22, 1421807), (67, 466862), (134, 233431), (737, 42442), (1474, 21221)]