208684888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 425088000

約数和(自身を除く): 216403112

約数列:

[1, 2, 4, 8, 23, 46, 47, 59, 92, 94, 118, 184, 188, 236, 376, 409, 472, 818, 1081, 1357, 1636, 2162, 2714, 2773, 3272, 4324, 5428, 5546, 8648, 9407, 10856, 11092, 18814, 19223, 22184, 24131, 37628, 38446, 48262, 63779, 75256, 76892, 96524, 127558, 153784, 193048, 255116, 442129, 510232, 555013, 884258, 1110026, 1134157, 1768516, 2220052, 2268314, 3537032, 4440104, 4536628, 9073256, 26085611, 52171222, 104342444, 208684888]

約数ペア:

[(1, 208684888), (2, 104342444), (4, 52171222), (8, 26085611), (23, 9073256), (46, 4536628), (47, 4440104), (59, 3537032), (92, 2268314), (94, 2220052), (118, 1768516), (184, 1134157), (188, 1110026), (236, 884258), (376, 555013), (409, 510232), (472, 442129), (818, 255116), (1081, 193048), (1357, 153784), (1636, 127558), (2162, 96524), (2714, 76892), (2773, 75256), (3272, 63779), (4324, 48262), (5428, 38446), (5546, 37628), (8648, 24131), (9407, 22184), (10856, 19223), (11092, 18814)]