171438995

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2833}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 271383840

約数和(自身を除く): 99944845

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 245, 247, 455, 637, 665, 931, 1235, 1729, 2833, 3185, 4655, 8645, 12103, 14165, 19831, 36829, 53827, 60515, 99155, 138817, 184145, 257803, 269135, 376789, 694085, 699751, 1289015, 1804621, 1883945, 2637523, 3498755, 4898257, 9023105, 13187615, 24491285, 34287799, 171438995]

約数ペア:

[(1, 171438995), (5, 34287799), (7, 24491285), (13, 13187615), (19, 9023105), (35, 4898257), (49, 3498755), (65, 2637523), (91, 1883945), (95, 1804621), (133, 1289015), (245, 699751), (247, 694085), (455, 376789), (637, 269135), (665, 257803), (931, 184145), (1235, 138817), (1729, 99155), (2833, 60515), (3185, 53827), (4655, 36829), (8645, 19831), (12103, 14165)]