256386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 584640

約数和(自身を除く): 328254

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 173, 247, 346, 494, 519, 741, 1038, 1482, 2249, 3287, 4498, 6574, 6747, 9861, 13494, 19722, 42731, 85462, 128193, 256386]

約数ペア:

[(1, 256386), (2, 128193), (3, 85462), (6, 42731), (13, 19722), (19, 13494), (26, 9861), (38, 6747), (39, 6574), (57, 4498), (78, 3287), (114, 2249), (173, 1482), (247, 1038), (346, 741), (494, 519)]