30720178

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{821}}^1$

素因数の和:1229

約数の個数: 16

約数和(自身を含む): 47140056

約数和(自身を除く): 16419878

約数列:

[1, 2, 53, 106, 353, 706, 821, 1642, 18709, 37418, 43513, 87026, 289813, 579626, 15360089, 30720178]

約数ペア:

[(1, 30720178), (2, 15360089), (53, 579626), (106, 289813), (353, 87026), (706, 43513), (821, 37418), (1642, 18709)]