1999858448

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{415253}}^1$

素因数の和:415311

約数の個数: 40

約数和(自身を含む): 4531251648

約数和(自身を除く): 2531393200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 415253, 830506, 1661012, 2906771, 3322024, 5813542, 6644048, 11627084, 17855879, 23254168, 35711758, 46508336, 71423516, 124991153, 142847032, 249982306, 285694064, 499964612, 999929224, 1999858448]

約数ペア:

[(1, 1999858448), (2, 999929224), (4, 499964612), (7, 285694064), (8, 249982306), (14, 142847032), (16, 124991153), (28, 71423516), (43, 46508336), (56, 35711758), (86, 23254168), (112, 17855879), (172, 11627084), (301, 6644048), (344, 5813542), (602, 3322024), (688, 2906771), (1204, 1661012), (2408, 830506), (4816, 415253)]