2584855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 4216320

約数和(自身を除く): 1631465

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 91, 95, 115, 133, 161, 169, 247, 299, 437, 455, 665, 805, 845, 1183, 1235, 1495, 1729, 2093, 2185, 3059, 3211, 3887, 5681, 5915, 8645, 10465, 15295, 16055, 19435, 22477, 27209, 28405, 39767, 73853, 112385, 136045, 198835, 369265, 516971, 2584855]

約数ペア:

[(1, 2584855), (5, 516971), (7, 369265), (13, 198835), (19, 136045), (23, 112385), (35, 73853), (65, 39767), (91, 28405), (95, 27209), (115, 22477), (133, 19435), (161, 16055), (169, 15295), (247, 10465), (299, 8645), (437, 5915), (455, 5681), (665, 3887), (805, 3211), (845, 3059), (1183, 2185), (1235, 2093), (1495, 1729)]