838202428

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 1875363840

約数和(自身を除く): 1037161412

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 49, 58, 62, 67, 71, 98, 116, 124, 134, 142, 196, 203, 217, 268, 284, 406, 434, 469, 497, 812, 868, 899, 938, 994, 1421, 1519, 1798, 1876, 1943, 1988, 2059, 2077, 2201, 2842, 3038, 3283, 3479, 3596, 3886, 4118, 4154, 4402, 4757, 5684, 6076, 6293, 6566, 6958, 7772, 8236, 8308, 8804, 9514, 12586, 13132, 13601, 13916, 14413, 14539, 15407, 19028, 25172, 27202, 28826, 29078, 30814, 33299, 44051, 54404, 57652, 58156, 60233, 61628, 63829, 66598, 88102, 95207, 100891, 101773, 107849, 120466, 127658, 133196, 137953, 147467, 176204, 190414, 201782, 203546, 215698, 233093, 240932, 255316, 275906, 294934, 380828, 403564, 407092, 421631, 431396, 446803, 466186, 551812, 589868, 843262, 893606, 932372, 965671, 1032269, 1686524, 1787212, 1931342, 2064538, 2951417, 3127621, 3862684, 4129076, 4276543, 5902834, 6255242, 6759697, 7225883, 8553086, 11805668, 12510484, 13519394, 14451766, 17106172, 27038788, 28903532, 29935801, 59871602, 119743204, 209550607, 419101214, 838202428]

約数ペア:

[(1, 838202428), (2, 419101214), (4, 209550607), (7, 119743204), (14, 59871602), (28, 29935801), (29, 28903532), (31, 27038788), (49, 17106172), (58, 14451766), (62, 13519394), (67, 12510484), (71, 11805668), (98, 8553086), (116, 7225883), (124, 6759697), (134, 6255242), (142, 5902834), (196, 4276543), (203, 4129076), (217, 3862684), (268, 3127621), (284, 2951417), (406, 2064538), (434, 1931342), (469, 1787212), (497, 1686524), (812, 1032269), (868, 965671), (899, 932372), (938, 893606), (994, 843262), (1421, 589868), (1519, 551812), (1798, 466186), (1876, 446803), (1943, 431396), (1988, 421631), (2059, 407092), (2077, 403564), (2201, 380828), (2842, 294934), (3038, 275906), (3283, 255316), (3479, 240932), (3596, 233093), (3886, 215698), (4118, 203546), (4154, 201782), (4402, 190414), (4757, 176204), (5684, 147467), (6076, 137953), (6293, 133196), (6566, 127658), (6958, 120466), (7772, 107849), (8236, 101773), (8308, 100891), (8804, 95207), (9514, 88102), (12586, 66598), (13132, 63829), (13601, 61628), (13916, 60233), (14413, 58156), (14539, 57652), (15407, 54404), (19028, 44051), (25172, 33299), (27202, 30814), (28826, 29078)]