209758948

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1321}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 431754624

約数和(自身を除く): 221995676

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 107, 212, 214, 371, 428, 742, 749, 1321, 1484, 1498, 2642, 2996, 5284, 5671, 9247, 11342, 18494, 22684, 36988, 39697, 70013, 79394, 140026, 141347, 158788, 280052, 282694, 490091, 565388, 980182, 989429, 1960364, 1978858, 3957716, 7491391, 14982782, 29965564, 52439737, 104879474, 209758948]

約数ペア:

[(1, 209758948), (2, 104879474), (4, 52439737), (7, 29965564), (14, 14982782), (28, 7491391), (53, 3957716), (106, 1978858), (107, 1960364), (212, 989429), (214, 980182), (371, 565388), (428, 490091), (742, 282694), (749, 280052), (1321, 158788), (1484, 141347), (1498, 140026), (2642, 79394), (2996, 70013), (5284, 39697), (5671, 36988), (9247, 22684), (11342, 18494)]