254194198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109661}}^1$

素因数の和:109743

約数の個数: 16

約数和(自身を含む): 407942640

約数和(自身を除く): 153748442

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 109661, 219322, 2083559, 4167118, 6689321, 13378642, 127097099, 254194198]

約数ペア:

[(1, 254194198), (2, 127097099), (19, 13378642), (38, 6689321), (61, 4167118), (122, 2083559), (1159, 219322), (2318, 109661)]