13857935

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 22024800

約数和(自身を除く): 8166865

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 229, 245, 247, 455, 637, 665, 931, 1145, 1235, 1603, 1729, 2977, 3185, 4351, 4655, 8015, 8645, 11221, 12103, 14885, 20839, 21755, 30457, 56105, 56563, 60515, 104195, 145873, 152285, 213199, 282815, 395941, 729365, 1065995, 1979705, 2771587, 13857935]

約数ペア:

[(1, 13857935), (5, 2771587), (7, 1979705), (13, 1065995), (19, 729365), (35, 395941), (49, 282815), (65, 213199), (91, 152285), (95, 145873), (133, 104195), (229, 60515), (245, 56563), (247, 56105), (455, 30457), (637, 21755), (665, 20839), (931, 14885), (1145, 12103), (1235, 11221), (1603, 8645), (1729, 8015), (2977, 4655), (3185, 4351)]