128423256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411613}}^1$

素因数の和:411635

約数の個数: 32

約数和(自身を含む): 345755760

約数和(自身を除く): 217332504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 411613, 823226, 1234839, 1646452, 2469678, 3292904, 4939356, 5350969, 9878712, 10701938, 16052907, 21403876, 32105814, 42807752, 64211628, 128423256]

約数ペア:

[(1, 128423256), (2, 64211628), (3, 42807752), (4, 32105814), (6, 21403876), (8, 16052907), (12, 10701938), (13, 9878712), (24, 5350969), (26, 4939356), (39, 3292904), (52, 2469678), (78, 1646452), (104, 1234839), (156, 823226), (312, 411613)]