4490395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 6773760

約数和(自身を除く): 2283365

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 139, 355, 455, 497, 695, 923, 973, 1807, 2485, 4615, 4865, 6461, 9035, 9869, 12649, 32305, 49345, 63245, 69083, 128297, 345415, 641485, 898079, 4490395]

約数ペア:

[(1, 4490395), (5, 898079), (7, 641485), (13, 345415), (35, 128297), (65, 69083), (71, 63245), (91, 49345), (139, 32305), (355, 12649), (455, 9869), (497, 9035), (695, 6461), (923, 4865), (973, 4615), (1807, 2485)]