128805218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{47741}}^1$

素因数の和:47833

約数の個数: 16

約数和(自身を含む): 206245440

約数和(自身を除く): 77440222

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 47741, 95482, 907079, 1814158, 3389611, 6779222, 64402609, 128805218]

約数ペア:

[(1, 128805218), (2, 64402609), (19, 6779222), (38, 3389611), (71, 1814158), (142, 907079), (1349, 95482), (2698, 47741)]