890978872

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{388057}}^1$

素因数の和:388111

約数の個数: 32

約数和(自身を含む): 1955812320

約数和(自身を除く): 1064833448

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 388057, 776114, 1552228, 2716399, 3104456, 5432798, 10865596, 15910337, 21731192, 31820674, 63641348, 111372359, 127282696, 222744718, 445489436, 890978872]

約数ペア:

[(1, 890978872), (2, 445489436), (4, 222744718), (7, 127282696), (8, 111372359), (14, 63641348), (28, 31820674), (41, 21731192), (56, 15910337), (82, 10865596), (164, 5432798), (287, 3104456), (328, 2716399), (574, 1552228), (1148, 776114), (2296, 388057)]