128978894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{254899}}^1$

素因数の和:254935

約数の個数: 16

約数和(自身を含む): 220233600

約数和(自身を除く): 91254706

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 254899, 509798, 2803889, 5607778, 5862677, 11725354, 64489447, 128978894]

約数ペア:

[(1, 128978894), (2, 64489447), (11, 11725354), (22, 5862677), (23, 5607778), (46, 2803889), (253, 509798), (506, 254899)]