212638473609

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{52542247}}^1$

素因数の和:52542340

約数の個数: 16

約数和(自身を含む): 302643348480

約数和(自身を除く): 90004874871

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 52542247, 157626741, 998302693, 2994908079, 3730499537, 11191498611, 70879491203, 212638473609]

約数ペア:

[(1, 212638473609), (3, 70879491203), (19, 11191498611), (57, 3730499537), (71, 2994908079), (213, 998302693), (1349, 157626741), (4047, 52542247)]