203421392

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{77999}}^1$

素因数の和:78170

約数の個数: 20

約数和(自身を含む): 396552000

約数和(自身を除く): 193130608

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 77999, 155998, 311996, 623992, 1247984, 12713837, 25427674, 50855348, 101710696, 203421392]

約数ペア:

[(1, 203421392), (2, 101710696), (4, 50855348), (8, 25427674), (16, 12713837), (163, 1247984), (326, 623992), (652, 311996), (1304, 155998), (2608, 77999)]