811993538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{196039}}^1$

素因数の和:196169

約数の個数: 16

約数和(自身を含む): 1293864000

約数和(自身を除く): 481870462

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 196039, 392078, 3724741, 7449482, 21368251, 42736502, 405996769, 811993538]

約数ペア:

[(1, 811993538), (2, 405996769), (19, 42736502), (38, 21368251), (109, 7449482), (218, 3724741), (2071, 392078), (4142, 196039)]