16981354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9199}}^1$

素因数の和:9285

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 10839446

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 9199, 18398, 119587, 239174, 653129, 1306258, 8490677, 16981354]

約数ペア:

[(1, 16981354), (2, 8490677), (13, 1306258), (26, 653129), (71, 239174), (142, 119587), (923, 18398), (1846, 9199)]