161874446

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{21149}}^1$

素因数の和:21283

約数の個数: 16

約数和(自身を含む): 251262000

約数和(自身を除く): 89387554

約数列:

[1, 2, 43, 86, 89, 178, 3827, 7654, 21149, 42298, 909407, 1818814, 1882261, 3764522, 80937223, 161874446]

約数ペア:

[(1, 161874446), (2, 80937223), (43, 3764522), (86, 1882261), (89, 1818814), (178, 909407), (3827, 42298), (7654, 21149)]