81570424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25301}}^1$

素因数の和:25351

約数の個数: 32

約数和(自身を含む): 170029440

約数和(自身を除く): 88459016

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 25301, 50602, 101204, 202408, 328913, 657826, 784331, 1315652, 1568662, 2631304, 3137324, 6274648, 10196303, 20392606, 40785212, 81570424]

約数ペア:

[(1, 81570424), (2, 40785212), (4, 20392606), (8, 10196303), (13, 6274648), (26, 3137324), (31, 2631304), (52, 1568662), (62, 1315652), (104, 784331), (124, 657826), (248, 328913), (403, 202408), (806, 101204), (1612, 50602), (3224, 25301)]