4378778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:989

約数の個数: 16

約数和(自身を含む): 6972000

約数和(自身を除く): 2593222

約数列:

[1, 2, 19, 38, 139, 278, 829, 1658, 2641, 5282, 15751, 31502, 115231, 230462, 2189389, 4378778]

約数ペア:

[(1, 4378778), (2, 2189389), (19, 230462), (38, 115231), (139, 31502), (278, 15751), (829, 5282), (1658, 2641)]