209916905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{9109}}^1$

素因数の和:9544

約数の個数: 16

約数和(自身を含む): 275486400

約数和(自身を除く): 65569495

約数列:

[1, 5, 11, 55, 419, 2095, 4609, 9109, 23045, 45545, 100199, 500995, 3816671, 19083355, 41983381, 209916905]

約数ペア:

[(1, 209916905), (5, 41983381), (11, 19083355), (55, 3816671), (419, 500995), (2095, 100199), (4609, 45545), (9109, 23045)]