205142221

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 233501184

約数和(自身を除く): 28358963

約数列:

[1, 19, 23, 31, 361, 437, 589, 713, 797, 8303, 11191, 13547, 15143, 18331, 24707, 257393, 287717, 348289, 469433, 568261, 6617491, 8919227, 10796959, 205142221]

約数ペア:

[(1, 205142221), (19, 10796959), (23, 8919227), (31, 6617491), (361, 568261), (437, 469433), (589, 348289), (713, 287717), (797, 257393), (8303, 24707), (11191, 18331), (13547, 15143)]