215638163

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 254284800

約数和(自身を除く): 38646637

約数列:

[1, 13, 19, 43, 79, 247, 257, 559, 817, 1027, 1501, 3341, 3397, 4883, 10621, 11051, 19513, 20303, 44161, 63479, 64543, 143663, 209969, 263939, 385757, 839059, 873029, 2729597, 5014841, 11349377, 16587551, 215638163]

約数ペア:

[(1, 215638163), (13, 16587551), (19, 11349377), (43, 5014841), (79, 2729597), (247, 873029), (257, 839059), (559, 385757), (817, 263939), (1027, 209969), (1501, 143663), (3341, 64543), (3397, 63479), (4883, 44161), (10621, 20303), (11051, 19513)]