489087755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 684815040

約数和(自身を除く): 195727285

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 377, 389, 667, 841, 1495, 1885, 1945, 3335, 4205, 5057, 8671, 8947, 10933, 11281, 19343, 25285, 43355, 44735, 54665, 56405, 96715, 116311, 146653, 251459, 259463, 327149, 581555, 733265, 1257295, 1297315, 1635745, 3373019, 4252937, 7524427, 16865095, 21264685, 37622135, 97817551, 489087755]

約数ペア:

[(1, 489087755), (5, 97817551), (13, 37622135), (23, 21264685), (29, 16865095), (65, 7524427), (115, 4252937), (145, 3373019), (299, 1635745), (377, 1297315), (389, 1257295), (667, 733265), (841, 581555), (1495, 327149), (1885, 259463), (1945, 251459), (3335, 146653), (4205, 116311), (5057, 96715), (8671, 56405), (8947, 54665), (10933, 44735), (11281, 43355), (19343, 25285)]