890195378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{26261}}^1$

素因数の和:27277

約数の個数: 16

約数和(自身を含む): 1415311704

約数和(自身を除く): 525116326

約数列:

[1, 2, 17, 34, 997, 1994, 16949, 26261, 33898, 52522, 446437, 892874, 26182217, 52364434, 445097689, 890195378]

約数ペア:

[(1, 890195378), (2, 445097689), (17, 52364434), (34, 26182217), (997, 892874), (1994, 446437), (16949, 52522), (26261, 33898)]