201993545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 273950208

約数和(自身を除く): 71956663

約数列:

[1, 5, 13, 37, 47, 65, 185, 235, 481, 611, 1739, 1787, 2405, 3055, 8695, 8935, 22607, 23231, 66119, 83989, 113035, 116155, 330595, 419945, 859547, 1091857, 3107593, 4297735, 5459285, 15537965, 40398709, 201993545]

約数ペア:

[(1, 201993545), (5, 40398709), (13, 15537965), (37, 5459285), (47, 4297735), (65, 3107593), (185, 1091857), (235, 859547), (481, 419945), (611, 330595), (1739, 116155), (1787, 113035), (2405, 83989), (3055, 66119), (8695, 23231), (8935, 22607)]