128221451

素因数分解:

${\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 133815840

約数和(自身を除く): 5594389

約数列:

[1, 61, 67, 137, 229, 4087, 8357, 9179, 13969, 15343, 31373, 559919, 935923, 1913753, 2101991, 128221451]

約数ペア:

[(1, 128221451), (61, 2101991), (67, 1913753), (137, 935923), (229, 559919), (4087, 31373), (8357, 15343), (9179, 13969)]