128443974

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{2687}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 266305536

約数和(自身を除く): 137861562

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 257, 514, 771, 1542, 2687, 5374, 7967, 8061, 15934, 16122, 23901, 47802, 83297, 166594, 249891, 499782, 690559, 1381118, 2071677, 4143354, 21407329, 42814658, 64221987, 128443974]

約数ペア:

[(1, 128443974), (2, 64221987), (3, 42814658), (6, 21407329), (31, 4143354), (62, 2071677), (93, 1381118), (186, 690559), (257, 499782), (514, 249891), (771, 166594), (1542, 83297), (2687, 47802), (5374, 23901), (7967, 16122), (8061, 15934)]