257447088

素因数分解:

$2^4\times 3^2\times {\mathrm{1787827}}^1$

素因数の和:1787841

約数の個数: 30

約数和(自身を含む): 720494684

約数和(自身を除く): 463047596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1787827, 3575654, 5363481, 7151308, 10726962, 14302616, 16090443, 21453924, 28605232, 32180886, 42907848, 64361772, 85815696, 128723544, 257447088]

約数ペア:

[(1, 257447088), (2, 128723544), (3, 85815696), (4, 64361772), (6, 42907848), (8, 32180886), (9, 28605232), (12, 21453924), (16, 16090443), (18, 14302616), (24, 10726962), (36, 7151308), (48, 5363481), (72, 3575654), (144, 1787827)]