90975718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{20389}}^1$

素因数の和:20511

約数の個数: 16

約数和(自身を含む): 143871840

約数和(自身を除く): 52896122

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 20389, 40778, 468947, 937894, 1977733, 3955466, 45487859, 90975718]

約数ペア:

[(1, 90975718), (2, 45487859), (23, 3955466), (46, 1977733), (97, 937894), (194, 468947), (2231, 40778), (4462, 20389)]