208347964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{5449}}^1$

素因数の和:5554

約数の個数: 36

約数和(自身を含む): 405916000

約数和(自身を除く): 197568036

約数列:

[1, 2, 4, 11, 22, 44, 79, 121, 158, 242, 316, 484, 869, 1738, 3476, 5449, 9559, 10898, 19118, 21796, 38236, 59939, 119878, 239756, 430471, 659329, 860942, 1318658, 1721884, 2637316, 4735181, 9470362, 18940724, 52086991, 104173982, 208347964]

約数ペア:

[(1, 208347964), (2, 104173982), (4, 52086991), (11, 18940724), (22, 9470362), (44, 4735181), (79, 2637316), (121, 1721884), (158, 1318658), (242, 860942), (316, 659329), (484, 430471), (869, 239756), (1738, 119878), (3476, 59939), (5449, 38236), (9559, 21796), (10898, 19118)]