161845744

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{51347}}^1$

素因数の和:51552

約数の個数: 20

約数和(自身を含む): 315174024

約数和(自身を除く): 153328280

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 51347, 102694, 205388, 410776, 821552, 10115359, 20230718, 40461436, 80922872, 161845744]

約数ペア:

[(1, 161845744), (2, 80922872), (4, 40461436), (8, 20230718), (16, 10115359), (197, 821552), (394, 410776), (788, 205388), (1576, 102694), (3152, 51347)]