257401488

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{953}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 706936896

約数和(自身を除く): 449535408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 331, 408, 662, 816, 953, 993, 1324, 1906, 1986, 2648, 2859, 3812, 3972, 5296, 5627, 5718, 7624, 7944, 11254, 11436, 15248, 15888, 16201, 16881, 22508, 22872, 32402, 33762, 45016, 45744, 48603, 64804, 67524, 90032, 97206, 129608, 135048, 194412, 259216, 270096, 315443, 388824, 630886, 777648, 946329, 1261772, 1892658, 2523544, 3785316, 5047088, 5362531, 7570632, 10725062, 15141264, 16087593, 21450124, 32175186, 42900248, 64350372, 85800496, 128700744, 257401488]

約数ペア:

[(1, 257401488), (2, 128700744), (3, 85800496), (4, 64350372), (6, 42900248), (8, 32175186), (12, 21450124), (16, 16087593), (17, 15141264), (24, 10725062), (34, 7570632), (48, 5362531), (51, 5047088), (68, 3785316), (102, 2523544), (136, 1892658), (204, 1261772), (272, 946329), (331, 777648), (408, 630886), (662, 388824), (816, 315443), (953, 270096), (993, 259216), (1324, 194412), (1906, 135048), (1986, 129608), (2648, 97206), (2859, 90032), (3812, 67524), (3972, 64804), (5296, 48603), (5627, 45744), (5718, 45016), (7624, 33762), (7944, 32402), (11254, 22872), (11436, 22508), (15248, 16881), (15888, 16201)]