138917774

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{1709}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 211150800

約数和(自身を除く): 72233026

約数列:

[1, 2, 97, 194, 419, 838, 1709, 3418, 40643, 81286, 165773, 331546, 716071, 1432142, 69458887, 138917774]

約数ペア:

[(1, 138917774), (2, 69458887), (97, 1432142), (194, 716071), (419, 331546), (838, 165773), (1709, 81286), (3418, 40643)]