390053524

素因数分解:

$2^2\times 7^2\times {\mathrm{1990069}}^1$

素因数の和:1990087

約数の個数: 18

約数和(自身を含む): 794037930

約数和(自身を除く): 403984406

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1990069, 3980138, 7960276, 13930483, 27860966, 55721932, 97513381, 195026762, 390053524]

約数ペア:

[(1, 390053524), (2, 195026762), (4, 97513381), (7, 55721932), (14, 27860966), (28, 13930483), (49, 7960276), (98, 3980138), (196, 1990069)]