1289786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 16

約数和(自身を含む): 2032128

約数和(自身を除く): 742342

約数列:

[1, 2, 31, 62, 71, 142, 293, 586, 2201, 4402, 9083, 18166, 20803, 41606, 644893, 1289786]

約数ペア:

[(1, 1289786), (2, 644893), (31, 41606), (62, 20803), (71, 18166), (142, 9083), (293, 4402), (586, 2201)]