1289084545

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{7723}}^1$

素因数の和:8005

約数の個数: 32

約数和(自身を含む): 1868590080

約数和(自身を除く): 579505535

約数列:

[1, 5, 7, 19, 35, 95, 133, 251, 665, 1255, 1757, 4769, 7723, 8785, 23845, 33383, 38615, 54061, 146737, 166915, 270305, 733685, 1027159, 1938473, 5135795, 9692365, 13569311, 36830987, 67846555, 184154935, 257816909, 1289084545]

約数ペア:

[(1, 1289084545), (5, 257816909), (7, 184154935), (19, 67846555), (35, 36830987), (95, 13569311), (133, 9692365), (251, 5135795), (665, 1938473), (1255, 1027159), (1757, 733685), (4769, 270305), (7723, 166915), (8785, 146737), (23845, 54061), (33383, 38615)]