11986972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 22317120

約数和(自身を除く): 10330148

約数列:

[1, 2, 4, 17, 34, 68, 409, 431, 818, 862, 1636, 1724, 6953, 7327, 13906, 14654, 27812, 29308, 176279, 352558, 705116, 2996743, 5993486, 11986972]

約数ペア:

[(1, 11986972), (2, 5993486), (4, 2996743), (17, 705116), (34, 352558), (68, 176279), (409, 29308), (431, 27812), (818, 14654), (862, 13906), (1636, 7327), (1724, 6953)]