128419816

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{8923}}^1$

素因数の和:9193

約数の個数: 32

約数和(自身を含む): 276287040

約数和(自身を除く): 147867224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1799, 2056, 3598, 7196, 8923, 14392, 17846, 35692, 62461, 71384, 124922, 249844, 499688, 2293211, 4586422, 9172844, 16052477, 18345688, 32104954, 64209908, 128419816]

約数ペア:

[(1, 128419816), (2, 64209908), (4, 32104954), (7, 18345688), (8, 16052477), (14, 9172844), (28, 4586422), (56, 2293211), (257, 499688), (514, 249844), (1028, 124922), (1799, 71384), (2056, 62461), (3598, 35692), (7196, 17846), (8923, 14392)]