205657844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{7643}}^1$

素因数の和:7716

約数の個数: 36

約数和(自身を含む): 425067552

約数和(自身を除く): 219409708

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 961, 1922, 3844, 6727, 7643, 13454, 15286, 26908, 30572, 53501, 107002, 214004, 236933, 473866, 947732, 1658531, 3317062, 6634124, 7344923, 14689846, 29379692, 51414461, 102828922, 205657844]

約数ペア:

[(1, 205657844), (2, 102828922), (4, 51414461), (7, 29379692), (14, 14689846), (28, 7344923), (31, 6634124), (62, 3317062), (124, 1658531), (217, 947732), (434, 473866), (868, 236933), (961, 214004), (1922, 107002), (3844, 53501), (6727, 30572), (7643, 26908), (13454, 15286)]