15721441351

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1\times {\mathrm{1451}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 19733446656

約数和(自身を除く): 4012005305

約数列:

[1, 7, 11, 77, 223, 631, 1451, 1561, 2453, 4417, 6941, 10157, 15961, 17171, 48587, 111727, 140713, 323573, 915581, 984991, 1547843, 2265011, 3559303, 6409067, 10071391, 10834901, 24915121, 70499737, 204174563, 1429221941, 2245920193, 15721441351]

約数ペア:

[(1, 15721441351), (7, 2245920193), (11, 1429221941), (77, 204174563), (223, 70499737), (631, 24915121), (1451, 10834901), (1561, 10071391), (2453, 6409067), (4417, 3559303), (6941, 2265011), (10157, 1547843), (15961, 984991), (17171, 915581), (48587, 323573), (111727, 140713)]