251722051

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 326550528

約数和(自身を除く): 74828477

約数列:

[1, 7, 19, 23, 61, 71, 133, 161, 361, 427, 437, 497, 1159, 1349, 1403, 1633, 2527, 3059, 4331, 8113, 8303, 9443, 9821, 11431, 22021, 25631, 26657, 30317, 31027, 58121, 82289, 99613, 154147, 179417, 186599, 217189, 506483, 576023, 589513, 697291, 1563491, 1892647, 3545381, 4126591, 10944437, 13248529, 35960293, 251722051]

約数ペア:

[(1, 251722051), (7, 35960293), (19, 13248529), (23, 10944437), (61, 4126591), (71, 3545381), (133, 1892647), (161, 1563491), (361, 697291), (427, 589513), (437, 576023), (497, 506483), (1159, 217189), (1349, 186599), (1403, 179417), (1633, 154147), (2527, 99613), (3059, 82289), (4331, 58121), (8113, 31027), (8303, 30317), (9443, 26657), (9821, 25631), (11431, 22021)]