81712428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 227985408

約数和(自身を除く): 146272980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 61, 74, 84, 111, 122, 148, 183, 222, 244, 259, 366, 427, 431, 444, 518, 732, 777, 854, 862, 1036, 1281, 1293, 1554, 1708, 1724, 2257, 2562, 2586, 3017, 3108, 4514, 5124, 5172, 6034, 6771, 9028, 9051, 12068, 13542, 15799, 15947, 18102, 26291, 27084, 31598, 31894, 36204, 47397, 47841, 52582, 63196, 63788, 78873, 94794, 95682, 105164, 111629, 157746, 184037, 189588, 191364, 223258, 315492, 334887, 368074, 446516, 552111, 669774, 736148, 972767, 1104222, 1339548, 1945534, 2208444, 2918301, 3891068, 5836602, 6809369, 11673204, 13618738, 20428107, 27237476, 40856214, 81712428]

約数ペア:

[(1, 81712428), (2, 40856214), (3, 27237476), (4, 20428107), (6, 13618738), (7, 11673204), (12, 6809369), (14, 5836602), (21, 3891068), (28, 2918301), (37, 2208444), (42, 1945534), (61, 1339548), (74, 1104222), (84, 972767), (111, 736148), (122, 669774), (148, 552111), (183, 446516), (222, 368074), (244, 334887), (259, 315492), (366, 223258), (427, 191364), (431, 189588), (444, 184037), (518, 157746), (732, 111629), (777, 105164), (854, 95682), (862, 94794), (1036, 78873), (1281, 63788), (1293, 63196), (1554, 52582), (1708, 47841), (1724, 47397), (2257, 36204), (2562, 31894), (2586, 31598), (3017, 27084), (3108, 26291), (4514, 18102), (5124, 15947), (5172, 15799), (6034, 13542), (6771, 12068), (9028, 9051)]