128995184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 278419680

約数和(自身を除く): 149424496

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 43, 68, 82, 86, 136, 164, 172, 269, 272, 328, 344, 538, 656, 688, 697, 731, 1076, 1394, 1462, 1763, 2152, 2788, 2924, 3526, 4304, 4573, 5576, 5848, 7052, 9146, 11029, 11152, 11567, 11696, 14104, 18292, 22058, 23134, 28208, 29971, 36584, 44116, 46268, 59942, 73168, 88232, 92536, 119884, 176464, 185072, 187493, 196639, 239768, 374986, 393278, 474247, 479536, 749972, 786556, 948494, 1499944, 1573112, 1896988, 2999888, 3146224, 3793976, 7587952, 8062199, 16124398, 32248796, 64497592, 128995184]

約数ペア:

[(1, 128995184), (2, 64497592), (4, 32248796), (8, 16124398), (16, 8062199), (17, 7587952), (34, 3793976), (41, 3146224), (43, 2999888), (68, 1896988), (82, 1573112), (86, 1499944), (136, 948494), (164, 786556), (172, 749972), (269, 479536), (272, 474247), (328, 393278), (344, 374986), (538, 239768), (656, 196639), (688, 187493), (697, 185072), (731, 176464), (1076, 119884), (1394, 92536), (1462, 88232), (1763, 73168), (2152, 59942), (2788, 46268), (2924, 44116), (3526, 36584), (4304, 29971), (4573, 28208), (5576, 23134), (5848, 22058), (7052, 18292), (9146, 14104), (11029, 11696), (11152, 11567)]