128599676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{21419}}^1$

素因数の和:21521

約数の個数: 24

約数和(自身を含む): 239904000

約数和(自身を除く): 111304324

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 6004, 21419, 42838, 85676, 406961, 813922, 1627844, 1692101, 3384202, 6768404, 32149919, 64299838, 128599676]

約数ペア:

[(1, 128599676), (2, 64299838), (4, 32149919), (19, 6768404), (38, 3384202), (76, 1692101), (79, 1627844), (158, 813922), (316, 406961), (1501, 85676), (3002, 42838), (6004, 21419)]