1863253

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 2267136

約数和(自身を除く): 403883

約数列:

[1, 7, 23, 71, 161, 163, 497, 1141, 1633, 3749, 11431, 11573, 26243, 81011, 266179, 1863253]

約数ペア:

[(1, 1863253), (7, 266179), (23, 81011), (71, 26243), (161, 11573), (163, 11431), (497, 3749), (1141, 1633)]