28807128

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1017

約数の個数: 96

約数和(自身を含む): 90723360

約数和(自身を除く): 61916232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 61, 63, 72, 84, 122, 126, 168, 183, 244, 252, 366, 427, 488, 504, 549, 732, 854, 937, 1098, 1281, 1464, 1708, 1874, 2196, 2562, 2811, 3416, 3748, 3843, 4392, 5124, 5622, 6559, 7496, 7686, 8433, 10248, 11244, 13118, 15372, 16866, 19677, 22488, 26236, 30744, 33732, 39354, 52472, 57157, 59031, 67464, 78708, 114314, 118062, 157416, 171471, 228628, 236124, 342942, 400099, 457256, 472248, 514413, 685884, 800198, 1028826, 1200297, 1371768, 1600396, 2057652, 2400594, 3200792, 3600891, 4115304, 4801188, 7201782, 9602376, 14403564, 28807128]

約数ペア:

[(1, 28807128), (2, 14403564), (3, 9602376), (4, 7201782), (6, 4801188), (7, 4115304), (8, 3600891), (9, 3200792), (12, 2400594), (14, 2057652), (18, 1600396), (21, 1371768), (24, 1200297), (28, 1028826), (36, 800198), (42, 685884), (56, 514413), (61, 472248), (63, 457256), (72, 400099), (84, 342942), (122, 236124), (126, 228628), (168, 171471), (183, 157416), (244, 118062), (252, 114314), (366, 78708), (427, 67464), (488, 59031), (504, 57157), (549, 52472), (732, 39354), (854, 33732), (937, 30744), (1098, 26236), (1281, 22488), (1464, 19677), (1708, 16866), (1874, 15372), (2196, 13118), (2562, 11244), (2811, 10248), (3416, 8433), (3748, 7686), (3843, 7496), (4392, 6559), (5124, 5622)]