128520666

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{26347}}^1$

素因数の和:26626

約数の個数: 24

約数和(自身を含む): 279499584

約数和(自身を除く): 150978918

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4878, 26347, 52694, 79041, 158082, 237123, 474246, 7140037, 14280074, 21420111, 42840222, 64260333, 128520666]

約数ペア:

[(1, 128520666), (2, 64260333), (3, 42840222), (6, 21420111), (9, 14280074), (18, 7140037), (271, 474246), (542, 237123), (813, 158082), (1626, 79041), (2439, 52694), (4878, 26347)]