991838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:671

約数の個数: 16

約数和(自身を含む): 1605120

約数和(自身を除く): 613282

約数列:

[1, 2, 19, 38, 43, 86, 607, 817, 1214, 1634, 11533, 23066, 26101, 52202, 495919, 991838]

約数ペア:

[(1, 991838), (2, 495919), (19, 52202), (38, 26101), (43, 23066), (86, 11533), (607, 1634), (817, 1214)]