1989210671

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1\times {\mathrm{3631}}^1$

素因数の和:4982

約数の個数: 16

約数和(自身を含む): 2313090048

約数和(自身を除く): 323879377

約数列:

[1, 7, 61, 427, 1283, 3631, 8981, 25417, 78263, 221491, 547841, 1550437, 4658573, 32610011, 284172953, 1989210671]

約数ペア:

[(1, 1989210671), (7, 284172953), (61, 32610011), (427, 4658573), (1283, 1550437), (3631, 547841), (8981, 221491), (25417, 78263)]