208779334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{77383}}^1$

素因数の和:77475

約数の個数: 16

約数和(自身を含む): 334298880

約数和(自身を除く): 125519546

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 77383, 154766, 1470277, 2940554, 5494193, 10988386, 104389667, 208779334]

約数ペア:

[(1, 208779334), (2, 104389667), (19, 10988386), (38, 5494193), (71, 2940554), (142, 1470277), (1349, 154766), (2698, 77383)]