71938636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 165908736

約数和(自身を除く): 93970100

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 647, 722, 836, 1294, 1444, 1463, 2527, 2588, 2926, 3971, 4529, 5054, 5852, 7117, 7942, 9058, 10108, 12293, 14234, 15884, 18116, 24586, 27797, 28468, 49172, 49819, 55594, 86051, 99638, 111188, 135223, 172102, 199276, 233567, 270446, 344204, 467134, 540892, 934268, 946561, 1634969, 1893122, 2569237, 3269938, 3786244, 5138474, 6539876, 10276948, 17984659, 35969318, 71938636]

約数ペア:

[(1, 71938636), (2, 35969318), (4, 17984659), (7, 10276948), (11, 6539876), (14, 5138474), (19, 3786244), (22, 3269938), (28, 2569237), (38, 1893122), (44, 1634969), (76, 946561), (77, 934268), (133, 540892), (154, 467134), (209, 344204), (266, 270446), (308, 233567), (361, 199276), (418, 172102), (532, 135223), (647, 111188), (722, 99638), (836, 86051), (1294, 55594), (1444, 49819), (1463, 49172), (2527, 28468), (2588, 27797), (2926, 24586), (3971, 18116), (4529, 15884), (5054, 14234), (5852, 12293), (7117, 10108), (7942, 9058)]