128801368

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 244776960

約数和(自身を除く): 115975592

約数列:

[1, 2, 4, 8, 127, 254, 331, 383, 508, 662, 766, 1016, 1324, 1532, 2648, 3064, 42037, 48641, 84074, 97282, 126773, 168148, 194564, 253546, 336296, 389128, 507092, 1014184, 16100171, 32200342, 64400684, 128801368]

約数ペア:

[(1, 128801368), (2, 64400684), (4, 32200342), (8, 16100171), (127, 1014184), (254, 507092), (331, 389128), (383, 336296), (508, 253546), (662, 194564), (766, 168148), (1016, 126773), (1324, 97282), (1532, 84074), (2648, 48641), (3064, 42037)]