988001861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1451}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 1271255040

約数和(自身を除く): 283253179

約数列:

[1, 7, 11, 37, 77, 239, 259, 407, 1451, 1673, 2629, 2849, 8843, 10157, 15961, 18403, 53687, 61901, 97273, 111727, 346789, 375809, 590557, 680911, 2427523, 3814679, 4133899, 12831193, 26702753, 89818351, 141143123, 988001861]

約数ペア:

[(1, 988001861), (7, 141143123), (11, 89818351), (37, 26702753), (77, 12831193), (239, 4133899), (259, 3814679), (407, 2427523), (1451, 680911), (1673, 590557), (2629, 375809), (2849, 346789), (8843, 111727), (10157, 97273), (15961, 61901), (18403, 53687)]