287445275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12457}}^1$

素因数の和:12551

約数の個数: 24

約数和(自身を含む): 389287584

約数和(自身を除く): 101842309

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 4615, 12457, 23075, 62285, 161941, 311425, 809705, 884447, 4048525, 4422235, 11497811, 22111175, 57489055, 287445275]

約数ペア:

[(1, 287445275), (5, 57489055), (13, 22111175), (25, 11497811), (65, 4422235), (71, 4048525), (325, 884447), (355, 809705), (923, 311425), (1775, 161941), (4615, 62285), (12457, 23075)]