399777785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1301}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 541465344

約数和(自身を除く): 141687559

約数列:

[1, 5, 11, 37, 55, 151, 185, 407, 755, 1301, 1661, 2035, 5587, 6505, 8305, 14311, 27935, 48137, 61457, 71555, 196451, 240685, 307285, 529507, 982255, 2160961, 2647535, 7268687, 10804805, 36343435, 79955557, 399777785]

約数ペア:

[(1, 399777785), (5, 79955557), (11, 36343435), (37, 10804805), (55, 7268687), (151, 2647535), (185, 2160961), (407, 982255), (755, 529507), (1301, 307285), (1661, 240685), (2035, 196451), (5587, 71555), (6505, 61457), (8305, 48137), (14311, 27935)]