156987545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2467}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 223896960

約数和(自身を除く): 66909415

約数列:

[1, 5, 11, 13, 55, 65, 89, 143, 445, 715, 979, 1157, 2467, 4895, 5785, 12335, 12727, 27137, 32071, 63635, 135685, 160355, 219563, 352781, 1097815, 1763905, 2415193, 2854319, 12075965, 14271595, 31397509, 156987545]

約数ペア:

[(1, 156987545), (5, 31397509), (11, 14271595), (13, 12075965), (55, 2854319), (65, 2415193), (89, 1763905), (143, 1097815), (445, 352781), (715, 219563), (979, 160355), (1157, 135685), (2467, 63635), (4895, 32071), (5785, 27137), (12335, 12727)]