1991103686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{10861}}^1$

素因数の和:11528

約数の個数: 32

約数和(自身を含む): 3514595616

約数和(自身を除く): 1523491930

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 641, 1282, 7051, 8333, 10861, 14102, 16666, 21722, 91663, 119471, 141193, 183326, 238942, 282386, 1553123, 3106246, 6961901, 13923802, 76580911, 90504713, 153161822, 181009426, 995551843, 1991103686]

約数ペア:

[(1, 1991103686), (2, 995551843), (11, 181009426), (13, 153161822), (22, 90504713), (26, 76580911), (143, 13923802), (286, 6961901), (641, 3106246), (1282, 1553123), (7051, 282386), (8333, 238942), (10861, 183326), (14102, 141193), (16666, 119471), (21722, 91663)]