2781786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 6428160

約数和(自身を除く): 3646374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 619, 642, 749, 1238, 1498, 1857, 2247, 3714, 4333, 4494, 8666, 12999, 25998, 66233, 132466, 198699, 397398, 463631, 927262, 1390893, 2781786]

約数ペア:

[(1, 2781786), (2, 1390893), (3, 927262), (6, 463631), (7, 397398), (14, 198699), (21, 132466), (42, 66233), (107, 25998), (214, 12999), (321, 8666), (619, 4494), (642, 4333), (749, 3714), (1238, 2247), (1498, 1857)]