217530.0000000

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{30259}}^1$

素因数の和:30286

約数の個数: 20

約数和(自身を含む): 18761200

約数和(自身を除く): 9562464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 30259, 60518, 121036, 242072, 484144, 574921, 1149842, 2299684, 4599368, 9198736]

約数ペア:

[(1, 9198736), (2, 4599368), (4, 2299684), (8, 1149842), (16, 574921), (19, 484144), (38, 242072), (76, 121036), (152, 60518), (304, 30259)]