281040625408

素因数分解:

$2^8\times {\mathrm{163}}^1\times {\mathrm{1223}}^1\times {\mathrm{5507}}^1$

素因数の和:6909

約数の個数: 72

約数和(自身を含む): 564989136768

約数和(自身を除く): 283948511360

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 256, 326, 652, 1223, 1304, 2446, 2608, 4892, 5216, 5507, 9784, 10432, 11014, 19568, 20864, 22028, 39136, 41728, 44056, 78272, 88112, 156544, 176224, 199349, 313088, 352448, 398698, 704896, 797396, 897641, 1409792, 1594792, 1795282, 3189584, 3590564, 6379168, 6735061, 7181128, 12758336, 13470122, 14362256, 25516672, 26940244, 28724512, 51033344, 53880488, 57449024, 107760976, 114898048, 215521952, 229796096, 431043904, 862087808, 1097814943, 1724175616, 2195629886, 4391259772, 8782519544, 17565039088, 35130078176, 70260156352, 140520312704, 281040625408]

約数ペア:

[(1, 281040625408), (2, 140520312704), (4, 70260156352), (8, 35130078176), (16, 17565039088), (32, 8782519544), (64, 4391259772), (128, 2195629886), (163, 1724175616), (256, 1097814943), (326, 862087808), (652, 431043904), (1223, 229796096), (1304, 215521952), (2446, 114898048), (2608, 107760976), (4892, 57449024), (5216, 53880488), (5507, 51033344), (9784, 28724512), (10432, 26940244), (11014, 25516672), (19568, 14362256), (20864, 13470122), (22028, 12758336), (39136, 7181128), (41728, 6735061), (44056, 6379168), (78272, 3590564), (88112, 3189584), (156544, 1795282), (176224, 1594792), (199349, 1409792), (313088, 897641), (352448, 797396), (398698, 704896)]