257440616

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{1733}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 499392000

約数和(自身を除く): 241951384

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 599, 1198, 1733, 2396, 3466, 4792, 6932, 13864, 18569, 37138, 53723, 74276, 107446, 148552, 214892, 429784, 1038067, 2076134, 4152268, 8304536, 32180077, 64360154, 128720308, 257440616]

約数ペア:

[(1, 257440616), (2, 128720308), (4, 64360154), (8, 32180077), (31, 8304536), (62, 4152268), (124, 2076134), (248, 1038067), (599, 429784), (1198, 214892), (1733, 148552), (2396, 107446), (3466, 74276), (4792, 53723), (6932, 37138), (13864, 18569)]