217082305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127321}}^1$

素因数の和:127368

約数の個数: 16

約数和(自身を含む): 293349888

約数和(自身を除く): 76267583

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 127321, 636605, 1400531, 3946951, 7002655, 19734755, 43416461, 217082305]

約数ペア:

[(1, 217082305), (5, 43416461), (11, 19734755), (31, 7002655), (55, 3946951), (155, 1400531), (341, 636605), (1705, 127321)]