320802456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1028213}}^1$

素因数の和:1028235

約数の個数: 32

約数和(自身を含む): 863699760

約数和(自身を除く): 542897304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1028213, 2056426, 3084639, 4112852, 6169278, 8225704, 12338556, 13366769, 24677112, 26733538, 40100307, 53467076, 80200614, 106934152, 160401228, 320802456]

約数ペア:

[(1, 320802456), (2, 160401228), (3, 106934152), (4, 80200614), (6, 53467076), (8, 40100307), (12, 26733538), (13, 24677112), (24, 13366769), (26, 12338556), (39, 8225704), (52, 6169278), (78, 4112852), (104, 3084639), (156, 2056426), (312, 1028213)]