278834088

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 784465920

約数和(自身を除く): 505631832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 127, 156, 186, 227, 248, 254, 312, 372, 381, 403, 454, 508, 681, 744, 762, 806, 908, 1016, 1209, 1362, 1524, 1612, 1651, 1816, 2418, 2724, 2951, 3048, 3224, 3302, 3937, 4836, 4953, 5448, 5902, 6604, 7037, 7874, 8853, 9672, 9906, 11804, 11811, 13208, 14074, 15748, 17706, 19812, 21111, 23608, 23622, 28148, 28829, 31496, 35412, 39624, 42222, 47244, 51181, 56296, 57658, 70824, 84444, 86487, 91481, 94488, 102362, 115316, 153543, 168888, 172974, 182962, 204724, 230632, 274443, 307086, 345948, 365924, 374777, 409448, 548886, 614172, 691896, 731848, 749554, 893699, 1097772, 1124331, 1228344, 1499108, 1787398, 2195544, 2248662, 2681097, 2998216, 3574796, 4497324, 5362194, 7149592, 8994648, 10724388, 11618087, 21448776, 23236174, 34854261, 46472348, 69708522, 92944696, 139417044, 278834088]

約数ペア:

[(1, 278834088), (2, 139417044), (3, 92944696), (4, 69708522), (6, 46472348), (8, 34854261), (12, 23236174), (13, 21448776), (24, 11618087), (26, 10724388), (31, 8994648), (39, 7149592), (52, 5362194), (62, 4497324), (78, 3574796), (93, 2998216), (104, 2681097), (124, 2248662), (127, 2195544), (156, 1787398), (186, 1499108), (227, 1228344), (248, 1124331), (254, 1097772), (312, 893699), (372, 749554), (381, 731848), (403, 691896), (454, 614172), (508, 548886), (681, 409448), (744, 374777), (762, 365924), (806, 345948), (908, 307086), (1016, 274443), (1209, 230632), (1362, 204724), (1524, 182962), (1612, 172974), (1651, 168888), (1816, 153543), (2418, 115316), (2724, 102362), (2951, 94488), (3048, 91481), (3224, 86487), (3302, 84444), (3937, 70824), (4836, 57658), (4953, 56296), (5448, 51181), (5902, 47244), (6604, 42222), (7037, 39624), (7874, 35412), (8853, 31496), (9672, 28829), (9906, 28148), (11804, 23622), (11811, 23608), (13208, 21111), (14074, 19812), (15748, 17706)]