12739972

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7459}}^1$

素因数の和:7531

約数の個数: 24

約数和(自身を含む): 25901120

約数和(自身を除く): 13161148

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 7459, 14918, 29836, 52213, 104426, 208852, 454999, 909998, 1819996, 3184993, 6369986, 12739972]

約数ペア:

[(1, 12739972), (2, 6369986), (4, 3184993), (7, 1819996), (14, 909998), (28, 454999), (61, 208852), (122, 104426), (244, 52213), (427, 29836), (854, 14918), (1708, 7459)]