81684824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{785431}}^1$

素因数の和:785450

約数の個数: 16

約数和(自身を含む): 164940720

約数和(自身を除く): 83255896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 785431, 1570862, 3141724, 6283448, 10210603, 20421206, 40842412, 81684824]

約数ペア:

[(1, 81684824), (2, 40842412), (4, 20421206), (8, 10210603), (13, 6283448), (26, 3141724), (52, 1570862), (104, 785431)]