81000992

素因数分解:

$2^5\times {\mathrm{37}}^2\times {\mathrm{43}}^2$

素因数の和:170

約数の個数: 54

約数和(自身を含む): 167797413

約数和(自身を除く): 86796421

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1184, 1369, 1376, 1591, 1849, 2738, 3182, 3698, 5476, 6364, 7396, 10952, 12728, 14792, 21904, 25456, 29584, 43808, 50912, 58867, 59168, 68413, 117734, 136826, 235468, 273652, 470936, 547304, 941872, 1094608, 1883744, 2189216, 2531281, 5062562, 10125124, 20250248, 40500496, 81000992]

約数ペア:

[(1, 81000992), (2, 40500496), (4, 20250248), (8, 10125124), (16, 5062562), (32, 2531281), (37, 2189216), (43, 1883744), (74, 1094608), (86, 941872), (148, 547304), (172, 470936), (296, 273652), (344, 235468), (592, 136826), (688, 117734), (1184, 68413), (1369, 59168), (1376, 58867), (1591, 50912), (1849, 43808), (2738, 29584), (3182, 25456), (3698, 21904), (5476, 14792), (6364, 12728), (7396, 10952)]