12729531745

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2971}}^1$

素因数の和:3398

約数の個数: 64

約数和(自身を含む): 19515340800

約数和(自身を除く): 6785809055

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 379, 595, 665, 1615, 1895, 2261, 2653, 2971, 6443, 7201, 11305, 13265, 14855, 20797, 32215, 36005, 45101, 50407, 50507, 56449, 103985, 122417, 225505, 252035, 252535, 282245, 353549, 395143, 612085, 856919, 959633, 1126009, 1767745, 1975715, 4284595, 4798165, 5630045, 6717431, 7882063, 19142153, 21394171, 33587155, 39410315, 95710765, 106970855, 133995071, 149759197, 363700907, 669975355, 748795985, 1818504535, 2545906349, 12729531745]

約数ペア:

[(1, 12729531745), (5, 2545906349), (7, 1818504535), (17, 748795985), (19, 669975355), (35, 363700907), (85, 149759197), (95, 133995071), (119, 106970855), (133, 95710765), (323, 39410315), (379, 33587155), (595, 21394171), (665, 19142153), (1615, 7882063), (1895, 6717431), (2261, 5630045), (2653, 4798165), (2971, 4284595), (6443, 1975715), (7201, 1767745), (11305, 1126009), (13265, 959633), (14855, 856919), (20797, 612085), (32215, 395143), (36005, 353549), (45101, 282245), (50407, 252535), (50507, 252035), (56449, 225505), (103985, 122417)]