257560272

素因数分解:

$2^4\times 3^2\times {\mathrm{1788613}}^1$

素因数の和:1788627

約数の個数: 30

約数和(自身を含む): 720811442

約数和(自身を除く): 463251170

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1788613, 3577226, 5365839, 7154452, 10731678, 14308904, 16097517, 21463356, 28617808, 32195034, 42926712, 64390068, 85853424, 128780136, 257560272]

約数ペア:

[(1, 257560272), (2, 128780136), (3, 85853424), (4, 64390068), (6, 42926712), (8, 32195034), (9, 28617808), (12, 21463356), (16, 16097517), (18, 14308904), (24, 10731678), (36, 7154452), (48, 5365839), (72, 3577226), (144, 1788613)]