214907344

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 425597760

約数和(自身を除く): 210690416

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 556, 568, 1112, 1136, 1361, 2224, 2722, 5444, 9869, 10888, 19738, 21776, 39476, 78952, 96631, 157904, 189179, 193262, 378358, 386524, 756716, 773048, 1513432, 1546096, 3026864, 13431709, 26863418, 53726836, 107453672, 214907344]

約数ペア:

[(1, 214907344), (2, 107453672), (4, 53726836), (8, 26863418), (16, 13431709), (71, 3026864), (139, 1546096), (142, 1513432), (278, 773048), (284, 756716), (556, 386524), (568, 378358), (1112, 193262), (1136, 189179), (1361, 157904), (2224, 96631), (2722, 78952), (5444, 39476), (9869, 21776), (10888, 19738)]