281290776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 791347200

約数和(自身を除く): 510056424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 127, 156, 186, 229, 248, 254, 312, 372, 381, 403, 458, 508, 687, 744, 762, 806, 916, 1016, 1209, 1374, 1524, 1612, 1651, 1832, 2418, 2748, 2977, 3048, 3224, 3302, 3937, 4836, 4953, 5496, 5954, 6604, 7099, 7874, 8931, 9672, 9906, 11811, 11908, 13208, 14198, 15748, 17862, 19812, 21297, 23622, 23816, 28396, 29083, 31496, 35724, 39624, 42594, 47244, 51181, 56792, 58166, 71448, 85188, 87249, 92287, 94488, 102362, 116332, 153543, 170376, 174498, 184574, 204724, 232664, 276861, 307086, 348996, 369148, 378079, 409448, 553722, 614172, 697992, 738296, 756158, 901573, 1107444, 1134237, 1228344, 1512316, 1803146, 2214888, 2268474, 2704719, 3024632, 3606292, 4536948, 5409438, 7212584, 9073896, 10818876, 11720449, 21637752, 23440898, 35161347, 46881796, 70322694, 93763592, 140645388, 281290776]

約数ペア:

[(1, 281290776), (2, 140645388), (3, 93763592), (4, 70322694), (6, 46881796), (8, 35161347), (12, 23440898), (13, 21637752), (24, 11720449), (26, 10818876), (31, 9073896), (39, 7212584), (52, 5409438), (62, 4536948), (78, 3606292), (93, 3024632), (104, 2704719), (124, 2268474), (127, 2214888), (156, 1803146), (186, 1512316), (229, 1228344), (248, 1134237), (254, 1107444), (312, 901573), (372, 756158), (381, 738296), (403, 697992), (458, 614172), (508, 553722), (687, 409448), (744, 378079), (762, 369148), (806, 348996), (916, 307086), (1016, 276861), (1209, 232664), (1374, 204724), (1524, 184574), (1612, 174498), (1651, 170376), (1832, 153543), (2418, 116332), (2748, 102362), (2977, 94488), (3048, 92287), (3224, 87249), (3302, 85188), (3937, 71448), (4836, 58166), (4953, 56792), (5496, 51181), (5954, 47244), (6604, 42594), (7099, 39624), (7874, 35724), (8931, 31496), (9672, 29083), (9906, 28396), (11811, 23816), (11908, 23622), (13208, 21297), (14198, 19812), (15748, 17862)]