291250375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 417257568

約数和(自身を除く): 126007193

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 169, 221, 325, 425, 811, 845, 1105, 1625, 2125, 2873, 4055, 4225, 5525, 10543, 13787, 14365, 20275, 21125, 27625, 52715, 68935, 71825, 101375, 137059, 179231, 263575, 344675, 359125, 685295, 896155, 1317875, 1723375, 2330003, 3426475, 4480775, 11650015, 17132375, 22403875, 58250075, 291250375]

約数ペア:

[(1, 291250375), (5, 58250075), (13, 22403875), (17, 17132375), (25, 11650015), (65, 4480775), (85, 3426475), (125, 2330003), (169, 1723375), (221, 1317875), (325, 896155), (425, 685295), (811, 359125), (845, 344675), (1105, 263575), (1625, 179231), (2125, 137059), (2873, 101375), (4055, 71825), (4225, 68935), (5525, 52715), (10543, 27625), (13787, 21125), (14365, 20275)]