247467895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 321926400

約数和(自身を除く): 74458505

約数列:

[1, 5, 17, 79, 85, 137, 269, 395, 685, 1343, 1345, 2329, 4573, 6715, 10823, 11645, 21251, 22865, 36853, 54115, 106255, 183991, 184265, 361267, 626501, 919955, 1806335, 2911387, 3132505, 14556935, 49493579, 247467895]

約数ペア:

[(1, 247467895), (5, 49493579), (17, 14556935), (79, 3132505), (85, 2911387), (137, 1806335), (269, 919955), (395, 626501), (685, 361267), (1343, 184265), (1345, 183991), (2329, 106255), (4573, 54115), (6715, 36853), (10823, 22865), (11645, 21251)]