28321188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 80123904

約数和(自身を除く): 51802716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 107, 137, 138, 161, 214, 274, 276, 321, 322, 411, 428, 483, 548, 642, 644, 749, 822, 959, 966, 1284, 1498, 1644, 1918, 1932, 2247, 2461, 2877, 2996, 3151, 3836, 4494, 4922, 5754, 6302, 7383, 8988, 9453, 9844, 11508, 12604, 14659, 14766, 17227, 18906, 22057, 29318, 29532, 34454, 37812, 43977, 44114, 51681, 58636, 66171, 68908, 87954, 88228, 102613, 103362, 132342, 175908, 205226, 206724, 264684, 307839, 337157, 410452, 615678, 674314, 1011471, 1231356, 1348628, 2022942, 2360099, 4045884, 4720198, 7080297, 9440396, 14160594, 28321188]

約数ペア:

[(1, 28321188), (2, 14160594), (3, 9440396), (4, 7080297), (6, 4720198), (7, 4045884), (12, 2360099), (14, 2022942), (21, 1348628), (23, 1231356), (28, 1011471), (42, 674314), (46, 615678), (69, 410452), (84, 337157), (92, 307839), (107, 264684), (137, 206724), (138, 205226), (161, 175908), (214, 132342), (274, 103362), (276, 102613), (321, 88228), (322, 87954), (411, 68908), (428, 66171), (483, 58636), (548, 51681), (642, 44114), (644, 43977), (749, 37812), (822, 34454), (959, 29532), (966, 29318), (1284, 22057), (1498, 18906), (1644, 17227), (1918, 14766), (1932, 14659), (2247, 12604), (2461, 11508), (2877, 9844), (2996, 9453), (3151, 8988), (3836, 7383), (4494, 6302), (4922, 5754)]