128216368

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 295060480

約数和(自身を除く): 166844112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 79, 86, 112, 158, 172, 301, 316, 337, 344, 553, 602, 632, 674, 688, 1106, 1204, 1264, 1348, 2212, 2359, 2408, 2696, 3397, 4424, 4718, 4816, 5392, 6794, 8848, 9436, 13588, 14491, 18872, 23779, 26623, 27176, 28982, 37744, 47558, 53246, 54352, 57964, 95116, 101437, 106492, 115928, 186361, 190232, 202874, 212984, 231856, 372722, 380464, 405748, 425968, 745444, 811496, 1144789, 1490888, 1622992, 2289578, 2981776, 4579156, 8013523, 9158312, 16027046, 18316624, 32054092, 64108184, 128216368]

約数ペア:

[(1, 128216368), (2, 64108184), (4, 32054092), (7, 18316624), (8, 16027046), (14, 9158312), (16, 8013523), (28, 4579156), (43, 2981776), (56, 2289578), (79, 1622992), (86, 1490888), (112, 1144789), (158, 811496), (172, 745444), (301, 425968), (316, 405748), (337, 380464), (344, 372722), (553, 231856), (602, 212984), (632, 202874), (674, 190232), (688, 186361), (1106, 115928), (1204, 106492), (1264, 101437), (1348, 95116), (2212, 57964), (2359, 54352), (2408, 53246), (2696, 47558), (3397, 37744), (4424, 28982), (4718, 27176), (4816, 26623), (5392, 23779), (6794, 18872), (8848, 14491), (9436, 13588)]