1387988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 2923200

約数和(自身を除く): 1535212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 2609, 5218, 10436, 18263, 36526, 49571, 73052, 99142, 198284, 346997, 693994, 1387988]

約数ペア:

[(1, 1387988), (2, 693994), (4, 346997), (7, 198284), (14, 99142), (19, 73052), (28, 49571), (38, 36526), (76, 18263), (133, 10436), (266, 5218), (532, 2609)]