12728690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 24857280

約数和(自身を除く): 12128590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 358, 547, 895, 1094, 1790, 2327, 2735, 4654, 5470, 7111, 11635, 14222, 23270, 35555, 71110, 97913, 195826, 489565, 979130, 1272869, 2545738, 6364345, 12728690]

約数ペア:

[(1, 12728690), (2, 6364345), (5, 2545738), (10, 1272869), (13, 979130), (26, 489565), (65, 195826), (130, 97913), (179, 71110), (358, 35555), (547, 23270), (895, 14222), (1094, 11635), (1790, 7111), (2327, 5470), (2735, 4654)]