128771854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 209763360

約数和(自身を除く): 80991506

約数列:

[1, 2, 19, 38, 61, 73, 122, 146, 761, 1159, 1387, 1522, 2318, 2774, 4453, 8906, 14459, 28918, 46421, 55553, 84607, 92842, 111106, 169214, 881999, 1055507, 1763998, 2111014, 3388733, 6777466, 64385927, 128771854]

約数ペア:

[(1, 128771854), (2, 64385927), (19, 6777466), (38, 3388733), (61, 2111014), (73, 1763998), (122, 1055507), (146, 881999), (761, 169214), (1159, 111106), (1387, 92842), (1522, 84607), (2318, 55553), (2774, 46421), (4453, 28918), (8906, 14459)]