1289064956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{155609}}^1$

素因数の和:155741

約数の個数: 24

約数和(自身を含む): 2396394000

約数和(自身を除く): 1107329044

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 155609, 311218, 622436, 2956571, 5913142, 11826284, 16961381, 33922762, 67845524, 322266239, 644532478, 1289064956]

約数ペア:

[(1, 1289064956), (2, 644532478), (4, 322266239), (19, 67845524), (38, 33922762), (76, 16961381), (109, 11826284), (218, 5913142), (436, 2956571), (2071, 622436), (4142, 311218), (8284, 155609)]