257411352

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 736542720

約数和(自身を除く): 479131368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 71, 88, 93, 124, 132, 142, 186, 213, 248, 264, 284, 341, 372, 426, 443, 568, 682, 744, 781, 852, 886, 1023, 1329, 1364, 1562, 1704, 1772, 2046, 2201, 2343, 2658, 2728, 3124, 3544, 4092, 4402, 4686, 4873, 5316, 6248, 6603, 8184, 8804, 9372, 9746, 10632, 13206, 13733, 14619, 17608, 18744, 19492, 24211, 26412, 27466, 29238, 31453, 38984, 41199, 48422, 52824, 54932, 58476, 62906, 72633, 82398, 94359, 96844, 109864, 116952, 125812, 145266, 151063, 164796, 188718, 193688, 251624, 290532, 302126, 329592, 345983, 377436, 453189, 581064, 604252, 691966, 754872, 906378, 975043, 1037949, 1208504, 1383932, 1812756, 1950086, 2075898, 2767864, 2925129, 3625512, 3900172, 4151796, 5850258, 7800344, 8303592, 10725473, 11700516, 21450946, 23401032, 32176419, 42901892, 64352838, 85803784, 128705676, 257411352]

約数ペア:

[(1, 257411352), (2, 128705676), (3, 85803784), (4, 64352838), (6, 42901892), (8, 32176419), (11, 23401032), (12, 21450946), (22, 11700516), (24, 10725473), (31, 8303592), (33, 7800344), (44, 5850258), (62, 4151796), (66, 3900172), (71, 3625512), (88, 2925129), (93, 2767864), (124, 2075898), (132, 1950086), (142, 1812756), (186, 1383932), (213, 1208504), (248, 1037949), (264, 975043), (284, 906378), (341, 754872), (372, 691966), (426, 604252), (443, 581064), (568, 453189), (682, 377436), (744, 345983), (781, 329592), (852, 302126), (886, 290532), (1023, 251624), (1329, 193688), (1364, 188718), (1562, 164796), (1704, 151063), (1772, 145266), (2046, 125812), (2201, 116952), (2343, 109864), (2658, 96844), (2728, 94359), (3124, 82398), (3544, 72633), (4092, 62906), (4402, 58476), (4686, 54932), (4873, 52824), (5316, 48422), (6248, 41199), (6603, 38984), (8184, 31453), (8804, 29238), (9372, 27466), (9746, 26412), (10632, 24211), (13206, 19492), (13733, 18744), (14619, 17608)]