1253204194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{640043}}^1$

素因数の和:640145

約数の個数: 16

約数和(自身を含む): 2073742560

約数和(自身を除く): 820538366

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 640043, 1280086, 7040473, 14080946, 56963827, 113927654, 626602097, 1253204194]

約数ペア:

[(1, 1253204194), (2, 626602097), (11, 113927654), (22, 56963827), (89, 14080946), (178, 7040473), (979, 1280086), (1958, 640043)]