81738873424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{5407}}^1\times {\mathrm{72679}}^1$

素因数の和:78107

約数の個数: 40

約数和(自身を含む): 170585192960

約数和(自身を除く): 88846319536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 5407, 10814, 21628, 43256, 70291, 72679, 86512, 140582, 145358, 281164, 290716, 562328, 581432, 944827, 1124656, 1162864, 1889654, 3779308, 7558616, 15117232, 392975353, 785950706, 1571901412, 3143802824, 5108679589, 6287605648, 10217359178, 20434718356, 40869436712, 81738873424]

約数ペア:

[(1, 81738873424), (2, 40869436712), (4, 20434718356), (8, 10217359178), (13, 6287605648), (16, 5108679589), (26, 3143802824), (52, 1571901412), (104, 785950706), (208, 392975353), (5407, 15117232), (10814, 7558616), (21628, 3779308), (43256, 1889654), (70291, 1162864), (72679, 1124656), (86512, 944827), (140582, 581432), (145358, 562328), (281164, 290716)]