81432988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17209}}^1$

素因数の和:17246

約数の個数: 36

約数和(自身を含む): 176368080

約数和(自身を除く): 94935092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 17209, 34418, 68836, 120463, 223717, 240926, 447434, 481852, 894868, 1566019, 2908321, 3132038, 5816642, 6264076, 11633284, 20358247, 40716494, 81432988]

約数ペア:

[(1, 81432988), (2, 40716494), (4, 20358247), (7, 11633284), (13, 6264076), (14, 5816642), (26, 3132038), (28, 2908321), (52, 1566019), (91, 894868), (169, 481852), (182, 447434), (338, 240926), (364, 223717), (676, 120463), (1183, 68836), (2366, 34418), (4732, 17209)]