81548296

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 161851500

約数和(自身を除く): 80303204

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 149, 172, 296, 298, 344, 596, 1192, 1591, 1849, 3182, 3698, 5513, 6364, 6407, 7396, 11026, 12728, 12814, 14792, 22052, 25628, 44104, 51256, 68413, 136826, 237059, 273652, 275501, 474118, 547304, 551002, 948236, 1102004, 1896472, 2204008, 10193537, 20387074, 40774148, 81548296]

約数ペア:

[(1, 81548296), (2, 40774148), (4, 20387074), (8, 10193537), (37, 2204008), (43, 1896472), (74, 1102004), (86, 948236), (148, 551002), (149, 547304), (172, 474118), (296, 275501), (298, 273652), (344, 237059), (596, 136826), (1192, 68413), (1591, 51256), (1849, 44104), (3182, 25628), (3698, 22052), (5513, 14792), (6364, 12814), (6407, 12728), (7396, 11026)]