216394514

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 375978240

約数和(自身を除く): 159583726

約数列:

[1, 2, 7, 14, 137, 257, 274, 439, 514, 878, 959, 1799, 1918, 3073, 3598, 6146, 35209, 60143, 70418, 112823, 120286, 225646, 246463, 421001, 492926, 789761, 842002, 1579522, 15456751, 30913502, 108197257, 216394514]

約数ペア:

[(1, 216394514), (2, 108197257), (7, 30913502), (14, 15456751), (137, 1579522), (257, 842002), (274, 789761), (439, 492926), (514, 421001), (878, 246463), (959, 225646), (1799, 120286), (1918, 112823), (3073, 70418), (3598, 60143), (6146, 35209)]