128508558

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{154087}}^1$

素因数の和:154231

約数の個数: 16

約数和(自身を含む): 258867840

約数和(自身を除く): 130359282

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 154087, 308174, 462261, 924522, 21418093, 42836186, 64254279, 128508558]

約数ペア:

[(1, 128508558), (2, 64254279), (3, 42836186), (6, 21418093), (139, 924522), (278, 462261), (417, 308174), (834, 154087)]