128831894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{8053}}^1$

素因数の和:8495

約数の個数: 16

約数和(自身を含む): 203927280

約数和(自身を除く): 75095386

約数列:

[1, 2, 19, 38, 421, 842, 7999, 8053, 15998, 16106, 153007, 306014, 3390313, 6780626, 64415947, 128831894]

約数ペア:

[(1, 128831894), (2, 64415947), (19, 6780626), (38, 3390313), (421, 306014), (842, 153007), (7999, 16106), (8053, 15998)]