398408072

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{5879}}^1$

素因数の和:6125

約数の個数: 32

約数和(自身を含む): 768398400

約数和(自身を除く): 369990328

約数列:

[1, 2, 4, 8, 43, 86, 172, 197, 344, 394, 788, 1576, 5879, 8471, 11758, 16942, 23516, 33884, 47032, 67768, 252797, 505594, 1011188, 1158163, 2022376, 2316326, 4632652, 9265304, 49801009, 99602018, 199204036, 398408072]

約数ペア:

[(1, 398408072), (2, 199204036), (4, 99602018), (8, 49801009), (43, 9265304), (86, 4632652), (172, 2316326), (197, 2022376), (344, 1158163), (394, 1011188), (788, 505594), (1576, 252797), (5879, 67768), (8471, 47032), (11758, 33884), (16942, 23516)]