397944464

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{189859}}^1$

素因数の和:189998

約数の個数: 20

約数和(自身を含む): 776907120

約数和(自身を除く): 378962656

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 189859, 379718, 759436, 1518872, 3037744, 24871529, 49743058, 99486116, 198972232, 397944464]

約数ペア:

[(1, 397944464), (2, 198972232), (4, 99486116), (8, 49743058), (16, 24871529), (131, 3037744), (262, 1518872), (524, 759436), (1048, 379718), (2096, 189859)]