28172746

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 53187840

約数和(自身を除く): 25015094

約数列:

[1, 2, 7, 14, 23, 29, 46, 49, 58, 98, 161, 203, 322, 406, 431, 667, 862, 1127, 1334, 1421, 2254, 2842, 3017, 4669, 6034, 9338, 9913, 12499, 19826, 21119, 24998, 32683, 42238, 65366, 69391, 87493, 138782, 174986, 287477, 485737, 574954, 612451, 971474, 1224902, 2012339, 4024678, 14086373, 28172746]

約数ペア:

[(1, 28172746), (2, 14086373), (7, 4024678), (14, 2012339), (23, 1224902), (29, 971474), (46, 612451), (49, 574954), (58, 485737), (98, 287477), (161, 174986), (203, 138782), (322, 87493), (406, 69391), (431, 65366), (667, 42238), (862, 32683), (1127, 24998), (1334, 21119), (1421, 19826), (2254, 12499), (2842, 9913), (3017, 9338), (4669, 6034)]