3981567394

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{20333}}^1$

素因数の和:20610

約数の個数: 32

約数和(自身を含む): 6957156096

約数和(自身を除く): 2975588702

約数列:

[1, 2, 7, 14, 71, 142, 197, 394, 497, 994, 1379, 2758, 13987, 20333, 27974, 40666, 97909, 142331, 195818, 284662, 1443643, 2887286, 4005601, 8011202, 10105501, 20211002, 28039207, 56078414, 284397671, 568795342, 1990783697, 3981567394]

約数ペア:

[(1, 3981567394), (2, 1990783697), (7, 568795342), (14, 284397671), (71, 56078414), (142, 28039207), (197, 20211002), (394, 10105501), (497, 8011202), (994, 4005601), (1379, 2887286), (2758, 1443643), (13987, 284662), (20333, 195818), (27974, 142331), (40666, 97909)]