127816408

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 243603360

約数和(自身を除く): 115786952

約数列:

[1, 2, 4, 8, 103, 181, 206, 362, 412, 724, 824, 857, 1448, 1714, 3428, 6856, 18643, 37286, 74572, 88271, 149144, 155117, 176542, 310234, 353084, 620468, 706168, 1240936, 15977051, 31954102, 63908204, 127816408]

約数ペア:

[(1, 127816408), (2, 63908204), (4, 31954102), (8, 15977051), (103, 1240936), (181, 706168), (206, 620468), (362, 353084), (412, 310234), (724, 176542), (824, 155117), (857, 149144), (1448, 88271), (1714, 74572), (3428, 37286), (6856, 18643)]