1283989

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 1555456

約数和(自身を除く): 271467

約数列:

[1, 7, 31, 61, 97, 217, 427, 679, 1891, 3007, 5917, 13237, 21049, 41419, 183427, 1283989]

約数ペア:

[(1, 1283989), (7, 183427), (31, 41419), (61, 21049), (97, 13237), (217, 5917), (427, 3007), (679, 1891)]