217467745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 295052544

約数和(自身を除く): 77584799

約数列:

[1, 5, 11, 53, 55, 61, 265, 305, 583, 671, 1223, 2915, 3233, 3355, 6115, 13453, 16165, 35563, 64819, 67265, 74603, 177815, 324095, 373015, 713009, 820633, 3565045, 3953959, 4103165, 19769795, 43493549, 217467745]

約数ペア:

[(1, 217467745), (5, 43493549), (11, 19769795), (53, 4103165), (55, 3953959), (61, 3565045), (265, 820633), (305, 713009), (583, 373015), (671, 324095), (1223, 177815), (2915, 74603), (3233, 67265), (3355, 64819), (6115, 35563), (13453, 16165)]