128658876

素因数分解:

$2^2\times 3^1\times {\mathrm{271}}^1\times {\mathrm{39563}}^1$

素因数の和:39841

約数の個数: 24

約数和(自身を含む): 301319424

約数和(自身を除く): 172660548

約数列:

[1, 2, 3, 4, 6, 12, 271, 542, 813, 1084, 1626, 3252, 39563, 79126, 118689, 158252, 237378, 474756, 10721573, 21443146, 32164719, 42886292, 64329438, 128658876]

約数ペア:

[(1, 128658876), (2, 64329438), (3, 42886292), (4, 32164719), (6, 21443146), (12, 10721573), (271, 474756), (542, 237378), (813, 158252), (1084, 118689), (1626, 79126), (3252, 39563)]