71219268

素因数分解:

$2^2\times 3^2\times {\mathrm{1978313}}^1$

素因数の和:1978323

約数の個数: 18

約数和(自身を含む): 180026574

約数和(自身を除く): 108807306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1978313, 3956626, 5934939, 7913252, 11869878, 17804817, 23739756, 35609634, 71219268]

約数ペア:

[(1, 71219268), (2, 35609634), (3, 23739756), (4, 17804817), (6, 11869878), (9, 7913252), (12, 5934939), (18, 3956626), (36, 1978313)]