128467456

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19301}}^1$

素因数の和:19332

約数の個数: 40

約数和(自身を含む): 276443244

約数和(自身を除く): 147975788

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 19301, 38602, 77204, 154408, 250913, 308816, 501826, 617632, 1003652, 1235264, 2007304, 2470528, 4014608, 4941056, 8029216, 9882112, 16058432, 32116864, 64233728, 128467456]

約数ペア:

[(1, 128467456), (2, 64233728), (4, 32116864), (8, 16058432), (13, 9882112), (16, 8029216), (26, 4941056), (32, 4014608), (52, 2470528), (64, 2007304), (104, 1235264), (128, 1003652), (208, 617632), (256, 501826), (416, 308816), (512, 250913), (832, 154408), (1664, 77204), (3328, 38602), (6656, 19301)]